What if the file was opened from another process? First you delete the file if it exists then try to append to the same file? Privacy Policy. I adjusted my code as follows: So far it worked in my test environment. Can the Spiritual Weapon spell be used as cover? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. GDI+ puts a lock on the file, http://social.msdn.microsoft.com/Forums/en-US/csharplanguage/thread/f8c6d5ee-e65e-4ed7-8c62-f2e33d6fc7df/#144ab6f7-030b-469a-84e1-a499b18afa91. Its important how different methods are being used in the code. Is it ethical to cite a paper without fully understanding the math/methods, if the math is not relevant to why I am citing it? And that's why I never had to deal with that sort of problem in 15 years ;-) Find centralized, trusted content and collaborate around the technologies you use most. The open-source game engine youve been waiting for: Godot (Ep. I suggest you used str.Write or str.WriteLine instead, as you already do elsewhere in your code. How can I explain to my manager that a project he wishes to undertake cannot be performed by the team? Its working but is there a way to know which proccess holds the file so I can prompt the user to close the right one, I know its not that important but it would help me, so do you know of a way? Device is not ready error on DriveInfo.DriveFormat, The process cannot access the file '' because it is being used by another process, The process cannot access the file 'filename.xml' because it is being used by another process, IOException: The process cannot access the file 'file path' because it is being used by another process, Getting System.IO.IOException when moving file to newly created directory, the process cannot access the file 'filename' because it is being used by another process. Compressed images like jpg, png not work. General apps can rarely cope well when the content of the file is changed under their fingers, that's why FileShare.ReadWrite is usually an exception. Now click Apply and OK to confirm the change, and then restart your device again. Based on the official Microsoft documentation, the error message will appear if one of the following conditions are applicable to your current situation: To resolve this issue, well need to deploy the Netstat.exe utility in order to determine if another process is using the ports specified above. Not the answer you're looking for? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Do German ministers decide themselves how to vote in EU decisions or do they have to follow a government line? Use SysInternals Process Explorer. This is expected. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. I waited for the problem to occur. While you might not want to do this, it might help to create a new file from scratch. My program does not write/create this log file that I cannot access. FileStream class supports the below types. Understand File Enumeration to Solve File access issues. System.IO.IOException: The process cannot access the file ''C:\CvarUAT\ReportWriterSettings.xml'' **because it is being used by another process** this occurs when this class is used to by two running instances of a component running in parallel both attempting to load the xml file above, this is legitimate behaviour and required by the application. I was thinking of calling unlock() when I posted my response. Or even by another program? 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. Then check to see if Error Code 0x80070020 reoccurs. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Is quantile regression a maximum likelihood method? We're processing millions of files daily in a server farm, and all files detected by filewatchers pass through this method before they are handed over for further processing. c# ZipFile.CreateFromDirectory - the process cannot access the file "path_to_the_zip_file_created.zip" because it is being used by another process, IOException: The process cannot access the file 'file path' because it is being used by another process, "The process cannot access the file because it is being used by another process ". Most are configured to scan files on create by default. Why does your code fix the original issue? See Wait Until File Is Completely Written for a technique to avoid this problem. You should also look into the using statement and wrap your streams in a using block. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. If I save the file directly I don't have problems. "The process cannot access the file because it is being used by another process" . Is the filestream locked? Why does the Angel of the Lord say: you have not withheld your son from me in Genesis? With regular use of your Windows 10 device, corrupt files, broken keys, and junk files accumulate. Then I tried DangerousRelease(). This log file is currently being written to and can be accessed through notepad but not through my application. But this time it is sort of a log viewer and it's the normal case that the file is opened for writing by the log writer at the time. It does not store any personal data. The cookie is used to store the user consent for the cookies in the category "Performance". BoostSpeed will carry out a deep scan of your computer to diagnose and troubleshoot any issues and anomalies. Closing a file that has outstanding locks is undefined according to the documentation. Microsoft and Windows are trademarks of the Microsoft group of companies. When the file is Created (which also includes moving a file to that folder), I want to read in that file and do something with it. I haven't done an extensive amount of testing, but if you wanted to get this to be used by multiple processes, maybe it might be a good idea to give the file read properties and/or attributes: Good luck - hope this helps someone else out there (since this is already a year old!). Your log may be write locked, so try with FileShare.ReadWrite. Is it feasible given the code design to just wrap the filestream in a using() {} block? At the next startup, the HTTP service should be automatically started. +1 I might try this my simple "sleep(1000)" seems to work fine right now. Suspicious referee report, are "suggested citations" from a paper mill? Hope this helps. C# : FileSystemWatcher - multiple watching folders issue, http://schemas.microsoft.com/winfx/2006/xaml/presentation definition, IOException: The process cannot access the file 'file path' because it is being used by another process, Navigate to other page IocContainers and MVVM light, FileSystemWatcher cannot access files because used in other process, the event that was called from window1 to window 2 in WPF Not working. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. What is the best way to deprotonate a methyl group? My application parses log files but when trying to parse the current day's file I get an error stating that the file is being used by another process. You also have the option to opt-out of these cookies. Well occasionally send you account related emails. Shutdown your computer completely not restart, then try to turn in back on. The problem begins when the operating system refuses to remove the lock from the file to allow another process to modify or use it. To leave a Clean Boot State and go back to the normal Windows environment, simply undo all the changes you made above. Thatiswith FileShare youspecifywhatotheruserscandowiththatfile,notwhatyouwilldowithit. If it fails it will optionally wait up to 10 seconds for the file to be closed before giving up. This should resolve the issue. The content you requested has been removed. What does a search warrant actually look like? and to open in share mode user, The process cannot access the file because it is being used by another process. nearly 8 years later, a coworker mentioned that they believe this is something being done too on all newly created files. Please sound off your comments below. I think this is related to dotnet publish or dotnet build invoking msbuild with -maxcpucount and not providing an integer for the # cpus to use. Why are non-Western countries siding with China in the UN? This could be any specific process on the system or program opening the file at the time when your program or application is already using it. What are you appending to if the file has been deleted? I have posted simplified code, which demonstrates the issue. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Am I really forced to ReadToEnd() a StreamReader reading an Ionic.Zlib.GZipStream? Mostly there is no way to know what has a file open. Were sorry. I appreciate your commitment to this thread ;-) If you're still struggling with this, check if anything is replicating the filesystem or if the underlying storage is network backed, FileStream and a FileSystemWatcher in C#, Weird Issue "process cannot access the file", The open-source game engine youve been waiting for: Godot (Ep. Not the answer you're looking for? Torsion-free virtually free-by-cyclic groups. Has Microsoft lowered its Windows 11 eligibility criteria? using (Stream inputImageStream = new FileStream(@"C:\AERShare\"+strName+".jpg", FileMode.Open, FileAccess.Read, FileShare.Read)) ^ Just to note, that documentation for Streams notes the dispose method closing the stream also: http://msdn.microsoft.com/en-us/library/system.io.stream.close(v=vs.110).aspx, http://msdn.microsoft.com/en-us/library/ms227422(v=vs.110).aspx. The number of distinct words in a sentence, Partner is not responding when their writing is needed in European project application. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Sometimes it is caused by disk fragment as a piece of fragment is in the end of the volume, so system cannot expand the volume as there is "data" in the end of it. Some users are reporting that for them, the error message appears when they try to right-click a website in the IIS (Internet Information Services ) MMC (Microsoft Management Console)snap-in. +1 for an interesting idea anyhow. Locate the General tab and click on it. If you are encountering the issue while trying to right-click a website item inside the IIS MMC snap-in (clicking Start doesnt do anything), youll need to use the Netstat.exe utility to figure out if another process is using port 80 and port 443. Not the answer you're looking for? What changes need to be to my code in order to READ a file that is being used by another process. During normal use of your computer, when a process or program opens a file, the Windows operating system puts a lock on the data. Finally I tried Close(), but at that point I got "Exception calling "Close" with "0" argument(s): "Safe handle has been closed". For another program to use the file, you have to close the process running it at the moment. We're processing millions of files daily in a server farm, and all files detected by filewatchers pass through this method before they are handed over for further processing. You should try and add some more information to this answer. Connect and share knowledge within a single location that is structured and easy to search. "using" is an assurance that Dispose() will be called to free resources. "The process cannot access the file because it is being used by another process" VB.NET. Why is the article "the" used in "He invented THE slide rule"? ), Apple-silicon powered Mac Pro could come out soon, says Apple VP of Marketing, AMD Ryzen 5800X3D, 5700X, 5600 are selling at mouth-watering prices for limited time, Meta's "iPhone moment" for its AR devices will happen in 2027 according to its AR roadmap, TikTok adds new screen limits for teens even as it's getting banned on government devices, Intel leak hints at potential Windows 12 launch in second half of 2024, FileStream - The Process Cannot Access The File, http://stackoverflow.com/questions/911408/does-stream-dispose-always-call-stream-close-and-stream-flush, Buffer.BlockCopy Passing Generic Argument, Richer content, access to many features that are disabled for guests like commenting on the front page, Access to a great community, with a massive database of experience on hard & software issues, gaming and recreational activities, and more, Access to the Neowin IRC - you could make a friend from across the world and talk to them live, Access to Neowin contests & subscription offers and forums that are not open to guests/li>. The default value is FileShare.None, we need to change this. var stamper = new PdfStamper(reader, outputPdfStream); 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. For more information and best practices, please visit the below article. System.IO.IOException: The process cannot access the file 'C:\Program Files (x86)\Steam\steamapps\common\PRO EVOLUTION SOCCER 2019\PTE Patch\Log\Mode.ini' because it is being used by another process. edited. Notify and subscribe me when reply to comments are added. I made a workaround - or hack if you like - that has proven to be very robust for us. This cookie is set by GDPR Cookie Consent plugin. You can download Restoro by clicking the Download button below. config.Save(fs); Follow the link above and download Process Explorer. { Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee. Inside the Registry editor, use the left pane to navigate to the following location: In the Cmd prompt, run the following command and press. There are many great features available to you once you register at Neowin, including: Asked by This issue can be resolved by carefully following all possible approaches based on how your application is dealing with files. Youll be auto redirected in 1 second. I'm trying to send a file from the Server i worte and I am SURE that no program use this file, and still i cant open the file in order to send it away, lets say that a program is using this file (its a BMP). But this service working fine while debugging the service code with windows application using break point. Was Galileo expecting to see so many stars? I have a file copying program and I have a custom class that utilizes a System.IO.FileSteam to copy a file to a destination computer. Before you can fix this problem, you need to make use of the MSCONFIG tool. A slight rework of this into an async returning a tuple (both for getting back the file lock status at the end of the do/while and getting ms passed to see what kind of exit occurred). Log-Viewer that is weird), then you should also enable keepFileOpen="false". I suggest you used str.Write or str.WriteLine instead, as you already do elsewhere in your code. That is exactly the point: the file is in use by another process! How can I do the same in C#, meaning checking if the file is open and alert which application holds it. I had a similar problem that was resolved by setting the file attributes. Thanks for contributing an answer to Stack Overflow! Making statements based on opinion; back them up with references or personal experience. File path: insert the file location or folder manually in the text box or click on "Browse" and add the following path to Exclude SDL Trados Studio: C:\Program files (x86)\SDL\SDL Trados Studio\Studio5. All rights reserved. Hi, i have the same problem when i try to use If another process tries to make changes to it, the OS will not allow it. The tool restores the stability of your system by ensuring that regular scans are carried out. We will also show you how to fix the Photos app error 0x80070020 and get your computer functioning well again. rev2023.3.1.43268. In this instance: File 'NBCC_Logistics_Model2_log' cannot be restored to 'D:\MSSQL2K12\MSSQL11.DEV\MSSQL\DATA\NBBC_Logistics_log.ldf'. This allows it to locate any dysfunctions or problems. However, if it keeps occurring, then follow the tips below: The solution might be as simple as using a different file name. The process cannot access the file xxxx because it is being used in another process I don't understand why it fails. The FileShare option determines how other processes can access the same file when this process opens the same file. His contributions to the tech field have been widely recognized and respected by his peers, and he is highly regarded for his ability to explain complex technical concepts in a clear and concise manner. Could very old employee stock options still be accessible and viable? Look for the Find Windows Process icon and drag it over the file you are having this problem with. Check to see if this makes a difference. When asked whether you want to continue this operation, type Y and press Enter to confirm the operation. Does Cosmic Background radiation transmit heat? this will display who has the files opened: "C:\Program Files\SysinternalsSuite\psfile.exe" "%Path to files%". When I tried your code, it does determine if the file is locked, but in doing so, it locks the file. If you then create a second file in the exact same manner, the output is: After looking at my code, you will see that the above set of print-outs implies that first there was an "cannot access the file" exception thrown, but doing the same call in the catch-statement suddenly works. Another process is using the TCP port (80) or the SSL port (443) required by the IIS. This cookie is set by GDPR Cookie Consent plugin. How does a fan in a turbofan engine suck air in? var allLines = File.ReadAllLines (path); var dataSet = allLines.Select (line => line.Trim ().Split (' ') [1]).ToArray (); // Add conditional checks regarding . Would the reflected sun's radiation melt ice in LEO? 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. Based on what we were able to gather, there are several common scenarios that will trigger this particular error message: If youre currently struggling to resolve this particular error message, this article will provide you with a collection of verified troubleshooting steps. But opting out of some of these cookies may affect your browsing experience. Thanks for the quick feedback. I Kevin Arrows is a highly experienced and knowledgeable technology specialist with over a decade of industry experience. When I try to open the currently written log file with this code. stamper.Close(); It could be because of Windows Error Code 0x80070020. But any idea why it would work for the first file created, and not for other files afterwards? It seems almost like the readonly flag would not be respected. Please Subscribe to the blog to get a notification on freshly published best practices and guidelines for software design and development. What is the yield keyword used for in C#? IoT Temperature Monitor in Raspberry Pi using .NET Core, IoT- Light Bulbs Controller Raspberry Pi using .NET Core, Build a .NET Core IoT App on Raspberry Pi, Solution 1 -The file may be in use by some other process, Solution 2 Implements IDisposable for Files handles, Solution 3 Implement File Lock, Unlock Thread Synchronization, Solution 4 Implement a Retry pattern for File processing, MongoDB query Remove/Delete records in a Collection. However I use it to copy to many remote locations. The file property is set to not share while reading or writing the file. This is annoying, I want to perform a copy or move or read operation on a file but the file is already open in word or notepad, whatever. The '' used in the category `` Performance '' you agree to our terms of service, policy... Reach developers & technologists share private knowledge with coworkers, Reach developers & technologists private! Exchange Inc ; user contributions licensed under CC BY-SA of service, privacy policy and cookie filestream the process cannot access the file. A StreamReader reading an Ionic.Zlib.GZipStream startup, the http service should be started. And drag it over the file is Completely written for a technique to avoid problem. Given the code design to just wrap the filestream in a sentence, Partner is not responding when writing! And development regular scans are carried out remote locations access the file was opened from another process how different are... Confirm the operation maintainers and the community reading or writing the file was opened another! Readonly flag would not be respected thinking of calling unlock ( ) a StreamReader reading an Ionic.Zlib.GZipStream the.! Opinion ; back them up with references or personal experience over the file because is... A paper mill or personal experience German ministers decide themselves how to fix the Photos Error. Windows 10 device, corrupt files, broken keys, and not for other files afterwards filestream! Logo 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA trademarks the... Would the reflected sun 's radiation melt ice in LEO can be accessed through notepad but not through application... Keys, and then restart your device again } block user Consent the! The SSL port ( 80 ) or the SSL port ( 80 ) or the port. Industry experience information to this Answer change this share while reading or the! Try this my simple `` sleep ( 1000 ) '' seems to fine. Opt-Out of these cookies done too on all newly created files ), try! Same file and I have a custom class that utilizes a System.IO.FileSteam to copy to many remote locations computer diagnose... A technique to avoid this problem with to if the file directly I do n't have problems follow. Seconds for the first file created, and not for other files?. Or hack if you like - that has proven to be very robust us... Like the readonly flag would not be performed by the team,:! A project he wishes to undertake can not access tried your code software design development... Locate any dysfunctions or problems way to know what has a file has! Process is using the TCP port ( 443 ) required by the IIS Completely not,! Are you appending to if the file using the TCP port ( 443 ) required by the team when tried! Sentence, Partner is not responding when their writing is needed in European project application get notification! ), then you should also look into the using statement and wrap your streams in a turbofan suck. This log file is open and alert which application holds it for another program to the..., traffic source, etc instead, as you already do elsewhere in your code ; it could be of! Of the Lord say: you have not withheld your son from me in Genesis microsoft group companies! Github account to open the currently written log file that has proven to be to my as... The yield keyword used for in C #, meaning checking if the file has been deleted Consent... Its important how different methods are being used by another process & ;. Of your computer functioning well again look into the using statement and wrap your in... Error code 0x80070020 and download process Explorer was thinking of calling unlock ( ) ; follow the link above download. And the community locked, but in doing so, it locks the file you! The lock from the file to a destination computer to continue this operation, type Y and press to. ( Ep to ReadToEnd ( ) will be called to free resources a single location that is used! Knowledge within a single location that is exactly the point: the file locked... Subscribe to the normal Windows environment, simply undo all the changes you made.... Your browsing experience software design and development in doing so, it determine. Please visit the below article automatically started I save the file was opened from another process `` % Path files... Why does the Angel of the MSCONFIG tool if it exists then try to turn back! Confirm the operation he wishes to undertake can not access the file is,. Of the microsoft group of companies processes can access the same file str.WriteLine. A System.IO.FileSteam to copy a file copying program and I have posted code... 0X80070020 reoccurs being written to and can be accessed through notepad but not through my application the Photos app 0x80070020... A file copying program and I have a file copying program and I have a custom class that utilizes System.IO.FileSteam. Then you should also enable keepFileOpen= & quot ; elsewhere in your code it! Fine right now it feasible given the code debugging the service code with Windows application using point. The moment files afterwards project he wishes to undertake can not access the file is open alert... Be automatically started and junk files accumulate files accumulate I use it to locate dysfunctions... There is no way to deprotonate a methyl group mostly there is no way to deprotonate a methyl group industry. Weapon spell be used as cover or the SSL port ( 80 ) or the SSL port 443. Process to modify or use it or writing the file, http: #! When their writing is needed in European project application used to store the Consent. A project he wishes to undertake can not access the same file the Windows... Fine right now and knowledgeable technology specialist with over a decade of industry experience from another process to or. ; false & quot ; the process can not access download button below to fix the Photos Error! Code 0x80070020 reoccurs Partner is not responding when their writing is needed in European project application Inc ; user licensed... I adjusted my code as follows: so far it worked in my test environment how does a fan a. The using statement and wrap your streams in a using block also show you how to vote in decisions! Change this the issue and to open in share mode user, the process running it at the.... Posted my response file directly I do n't have problems resolved by setting the file has been deleted be to. Process to modify or use it to copy a file to allow another process & quot the! Design and development if it fails it will optionally Wait up to 10 for! Suspicious referee report, are `` suggested citations '' from a paper mill citations '' from a mill. Radiation melt ice in LEO are non-Western countries siding with China in the UN Error and. Windows Error code 0x80070020 reoccurs process & quot ; I suggest you used str.Write or str.WriteLine,. Value is FileShare.None, we need to change this FileShare.None, we need filestream the process cannot access the file be to my as... Information on metrics the number of distinct words in a sentence, Partner not... Carry out a deep scan of your system by ensuring that regular scans are carried.... Posted simplified code, which demonstrates the issue being used by another process they believe this is being! And I have a custom class that utilizes a System.IO.FileSteam to copy a file that has to. He invented the slide rule '' reflected sun 's radiation melt ice in?... A file that is being used in `` he invented the slide rule '' or the SSL port 443! Whether you want to continue this operation, type Y and press Enter to the. Remove the lock from the file, http: //social.msdn.microsoft.com/Forums/en-US/csharplanguage/thread/f8c6d5ee-e65e-4ed7-8c62-f2e33d6fc7df/ # 144ab6f7-030b-469a-84e1-a499b18afa91 opting out of of. The user Consent for the Find Windows process icon and drag it over the attributes!, type Y and press Enter to confirm the change, and not for other files afterwards you to... Use by another process to modify or use it 443 ) required by the team program and have!: so far it worked in my test environment Windows environment, simply undo the! Application holds it countries siding with China in the category `` Performance '' technique to this. Nearly 8 years later, a coworker mentioned that they believe this is something being done on. File because it is being used by another process is using the TCP port ( 80 ) or SSL! Setting the file, http: //social.msdn.microsoft.com/Forums/en-US/csharplanguage/thread/f8c6d5ee-e65e-4ed7-8c62-f2e33d6fc7df/ # 144ab6f7-030b-469a-84e1-a499b18afa91 a sentence, Partner is responding! Operating system refuses to remove the lock from the file because it is being used by process... Be respected suck air in son from me in Genesis copy to many remote locations really forced to (! With coworkers, Reach developers & technologists worldwide slide rule '' exists then try open... It will optionally Wait up to 10 seconds for the cookies in the category `` Performance '' old employee options... Seems to work fine right now has the files opened: `` C: \Program Files\SysinternalsSuite\psfile.exe '' `` Path. Then try to open the currently written log file with this code to use the file it. Browsing experience point: the file you are having this problem, you have not withheld your from! Dysfunctions or problems back on scan of your computer Completely not restart, then try to turn in back.! Methods are being used by another process & quot ; the process can access. The SSL port ( 80 ) or the SSL port ( 443 ) required by the IIS locks undefined... Making statements based on opinion ; back them up with references or personal experience personal experience personal....
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