Knowledge base for software setup, errors, and daily tool work.

Setup Correct Permissions for GitHub Actions

When your GitHub Actions workflow fails with a permissions error, it's often because the default ...

Fix Windows Activation Error 0x8007007b on Ubuntu

If you see Windows activation error 0x8007007b while using Ubuntu (for example, in a dual-boot se...

How to Fix PowerShell Port Already Allocated Error

When you try to start a TCP listener or run a script that binds to a specific port in PowerShell,...

Fix 'Turn On Windows Defender Access Denied' Error

You try to turn on Windows Defender, but get an "Access Denied" message. This usually means somet...

Fix Remote Desktop Token Expired After Update

After a Windows update, you might see a 'token expired' or 'your credentials did not work' error ...

Fixing Microsoft Teams Rate Limit Error When Sending Messages