Close all Fishstrap processes

Oct 13, 2025 by talynt.org 128 views

System.IO.IOException: The process cannot access the file 'C:\Users\Pc\AppData\Local\Fishstrap\Versions\version-8794089906d54893\WebView2Loader.dll' because it is being used by another process.

Fishstrap is a popular Roblox client that provides a range of features and enhancements to the original Roblox player. However, some users have reported encountering a System.IO.IOException error when trying to launch Fishstrap. This error occurs when the process cannot access the file 'C:\Users\Pc\AppData\Local\Fishstrap\Versions\version-8794089906d54893\WebView2Loader.dll' because it is being used by another process.

What is Fishstrap?

Fishstrap is a custom Roblox client developed by returnrqt. It provides a range of features and enhancements to the original Roblox player, including improved performance, new graphics, and additional settings. Fishstrap is designed to be a more customizable and user-friendly alternative to the original Roblox player.

What causes the System.IO.IOException error?

The System.IO.IOException error occurs when the process cannot access the file 'C:\Users\Pc\AppData\Local\Fishstrap\Versions\version-8794089906d54893\WebView2Loader.dll' because it is being used by another process. This error can be caused by a number of factors, including:

File locking: The file 'WebView2Loader.dll' may be locked by another process, preventing Fishstrap from accessing it.
Corrupted files: The files in the Fishstrap directory may be corrupted, causing the System.IO.IOException error.
Incompatible versions: The version of Fishstrap installed on the user's system may be incompatible with the version of the Roblox client, causing the System.IO.IOException error.

How to resolve the System.IO.IOException error?

To resolve the System.IO.IOException error, follow these steps:

Close all Fishstrap processes: Close all Fishstrap processes in the Task Manager to ensure that no other processes are using the file 'WebView2Loader.dll'.
Delete the Fishstrap directory: Delete the Fishstrap directory in the AppData\Local directory to remove any corrupted files.
Reinstall Fishstrap: Reinstall Fishstrap to ensure that the correct version of the client is installed.
Check for updates: Check for updates to the Roblox client and Fishstrap to ensure that the latest versions are installed.

Additional troubleshooting steps

If the above steps do not resolve the System.IO.IOException error, try the following additional troubleshooting steps:

Run the Roblox client as an administrator: Run the Roblox client as an administrator to ensure that the client has the necessary permissions to access the file 'WebView2Loader.dll'.
Disable any antivirus software: Disable any antivirus software that may be interfering with the file 'WebView2Loader.dll'.
Check for conflicts with other software: Check for conflicts with other software that may be using the file 'WebView2Loader.dll'.

The System.IO.IOException error in Fishstrap can be caused by a number of factors, including file locking, corrupted files, and incompatible versions. To resolve the error, close all Fishstrap processes, delete the Fishstrap directory, reinstall Fishstrap, and check for updates to the Roblox client and Fishstrap. If the error persists, try additional troubleshooting steps such as running the Roblox client as an administrator, disabling antivirus software, and checking for conflicts with other software.

The version of Fishstrap installed on the user's system is v2.9.1.0.

The user encountered a System.IO.IOException error when trying to launch Fishstrap.

The user deleted the Bloxshade directory in the AppData\Local directory, which caused the System.IO.IOException error.

The Fishstrap log is provided below:

2025-03-12T12:32:13Z [App::OnStartup] Starting Fishstrap v2.9.1.0
2025-03-12T12:32:13Z [App::OnStartup] Compiled Tuesday, 11 March 2025 at 12:21:17 PM from commit aea03d4d0bbd22c6f639ab3ad776e1564baf4263 (tag/v2.9.1.0)
2025-03-12T12:32:13Z [App::OnStartup] OSVersion: Microsoft Windows NT 10.0.22000.0
2025-03-12T12:32:13Z [App::OnStartup] Loaded from %UserProfile%\Desktop\Roblox Things\Mods That Are Not Mods\Fishstrap-v2.9.1.0.exe
2025-03-12T12:32:13Z [App::OnStartup] Temp path is %UserProfile%\AppData\Local\Temp\Fishstrap
2025-03-12T12:32:13Z [App::OnStartup] WindowsStartMenu path is %UserProfile%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs
2025-03-12T12:32:13Z [Logger::Initialize] Initializing at %UserProfile%\AppData\Local\Temp\Fishstrap\Logs\Fishstrap_20250312T123213Z.log
2025-03-12T12:32:13Z [Logger::Initialize] Finished initializing!
2025-03-12T12:32:13Z [App::OnStartup] Not installed, launching the installer
2025-03-12T12:32:22Z [MainWindow] Initializing installer window
2025-03-12T12:32:34Z [Installer::DoInstall] Beginning installation
2025-03-12T12:32:34Z [RegistryKeyEx::SetValueSafe] Writing '%UserProfile%\AppData\Local\Fishstrap\Fishstrap.exe,0' to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Fishstrap\DisplayIcon
2025-03-12T12:32:34Z [RegistryKeyEx::SetValueSafe] Writing 'Fishstrap' to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Fishstrap\DisplayName
2025-03-12T12:32:34Z [RegistryKeyEx::SetValueSafe] Writing '2.9.1.0' to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Fishstrap\DisplayVersion
2025-03-12T12:32:34Z [RegistryKeyEx::SetValueSafe] Writing '20250312' to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Fishstrap\InstallDate
2025-03-12T12:32:34Z [RegistryKeyEx::SetValueSafe] Writing '%UserProfile%\AppData\Local\Fishstrap' to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Fishstrap\InstallLocation
2025-03-12T12:32:34Z [RegistryKeyEx::SetValueSafe] Writing '1' to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Fishstrap\NoRepair
2025-03-12T12:32:34Z [RegistryKeyEx::SetValueSafe] Writing 'returnrqt' to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Fishstrap\Publisher
2025-03-12T12:32:34Z [RegistryKeyEx::SetValueSafe] Writing '"%UserProfile%\AppData\Local\Fishstrap\Fishstrap.exe" -settings' to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Fishstrap\ModifyPath
2025-03-12T12:32:34Z [RegistryKeyEx::SetValueSafe] Writing '"%UserProfile%\AppData\Local\Fishstrap\Fishstrap.exe" -uninstall -quiet' to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Fishstrap\QuietUninstallString
2025-03-12T12:32:34Z [RegistryKeyEx::SetValueSafe] Writing '"%UserProfile%\AppData\Local\Fishstrap\Fishstrap.exe" -uninstall' to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Fishstrap\UninstallString
2025-03-12T12:32:34Z [RegistryKeyEx::SetValueSafe] Writing 'https://github.com/bloxstraplabs/bloxstrap/wiki' to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Fishstrap\HelpLink
2025-03-12T12:32:34Z [RegistryKeyEx::SetValueSafe] Writing 'https://github.com/returnrqt/fishstrap/issues/new' to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Fishstrap\URLInfoAbout
2025-03-12T12:32:34Z [RegistryKeyEx::SetValueSafe] Writing 'https://github.com/returnrqt/fishstrap/releases' to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Fishstrap\URLUpdateInfo
2025-03-12T12:32:34Z [RegistryKeyEx::SetValueSafe] Writing '%UserProfile%\AppData\Local\Fishstrap\Fishstrap.exe<br/>
**Q&A: System.IO.IOException: The process cannot access the file 'C:\Users\Pc\AppData\Local\Fishstrap\Versions\version-8794089906d54893\WebView2Loader.dll' because it is being used by another process.**

**Q: What is the System.IO.IOException error?**
------------------------------------------------

A: The System.IO.IOException error is a runtime error that occurs when the process cannot access the file 'C:\Users\Pc\AppData\Local\Fishstrap\Versions\version-8794089906d54893\WebView2Loader.dll' because it is being used by another process.

**Q: What causes the System.IO.IOException error?**
------------------------------------------------

A: The System.IO.IOException error can be caused by a number of factors, including:

*   **File locking**: The file 'WebView2Loader.dll' may be locked by another process, preventing Fishstrap from accessing it.
*   **Corrupted files**: The files in the Fishstrap directory may be corrupted, causing the System.IO.IOException error.
*   **Incompatible versions**: The version of Fishstrap installed on the user's system may be incompatible with the version of the Roblox client, causing the System.IO.IOException error.

**Q: How do I resolve the System.IO.IOException error?**
---------------------------------------------------

A: To resolve the System.IO.IOException error, follow these steps:

1.  **Close all Fishstrap processes**: Close all Fishstrap processes in the Task Manager to ensure that no other processes are using the file 'WebView2Loader.dll'.
2.  **Delete the Fishstrap directory**: Delete the Fishstrap directory in the AppData\Local directory to remove any corrupted files.
3.  **Reinstall Fishstrap**: Reinstall Fishstrap to ensure that the correct version of the client is installed.
4.  **Check for updates**: Check for updates to the Roblox client and Fishstrap to ensure that the latest versions are installed.

**Q: What if the error persists after trying the above steps?**
---------------------------------------------------------

A: If the error persists after trying the above steps, try the following additional troubleshooting steps:

*   **Run the Roblox client as an administrator**: Run the Roblox client as an administrator to ensure that the client has the necessary permissions to access the file 'WebView2Loader.dll'.
*   **Disable any antivirus software**: Disable any antivirus software that may be interfering with the file 'WebView2Loader.dll'.
*   **Check for conflicts with other software**: Check for conflicts with other software that may be using the file 'WebView2Loader.dll'.

**Q: Can I prevent the System.IO.IOException error from occurring in the future?**
--------------------------------------------------------------------------------

A: Yes, you can prevent the System.IO.IOException error from occurring in the future by:

*   **Regularly updating Fishstrap and the Roblox client**: Regularly update Fishstrap and the Roblox client to ensure that you have the latest versions.
*   **Closing all Fishstrap processes before reinstalling**: Close all Fishstrap processes before reinstalling Fishstrap to ensure that no other processes are using the file 'WebView2Loader.dll'.
*   **Monitoring the Fishstrap directory for corrupted files**: Monitor the Fishstrap directory for corrupted files and delete them as soon as possible to prevent the System.IO.IOException error from occurring.

**Q: Where can I find more information about the System.IO.IOException error?**
--------------------------------------------------------------------------------

A: You can find more information about the System.IO.IOException error by:

*   **Searching online for solutions**: Searching online for solutions to the System.IO.IOException error.
*   **Checking the Fishstrap documentation**: Checking the Fishstrap documentation for information about the System.IO.IOException error.
*   **Contacting the Fishstrap support team**: Contacting the Fishstrap support team for assistance with resolving the System.IO.IOException error.