ASD

Solving 'UnknownError' with GitHub Copilot on VS Code Insiders in Arch Linux

posted on Wed, Feb 19 '25 under tag:

If you are using Visual Studio Code Insiders on Arch Linux and encounter the error message signature verification failed with 'UnknownError' error when trying to start using GitHub Copilot, here is a solution to resolve it.

Error Description

When attempting to use GitHub Copilot, you might see the following error message:

signature verification failed with 'UnknownError' error

This error occurs due to the extension signature verification process in VS Code Insiders.

Solution

To fix this issue, you need to change the VS Code setting to disable extension signature verification. Follow these steps:

1. Open VS Code Insiders.
2. Go to Settings (you can open it by pressing Ctrl + , or navigating through the menu File > Preferences > Settings).
3. In the search bar, type extensions.verifySignature.
4. Uncheck the option Extensions: Verify Signature.

After making this change, try setting up GitHub Copilot again. The error should be resolved.

Conclusion

Disabling the extension signature verification in VS Code Insiders can help you bypass the UnknownError and get GitHub Copilot working on Arch Linux. Remember to re-enable this setting if you encounter any security concerns in the future.