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

How to Fix High PowerShell Memory Usage After Closing

You close PowerShell, but your system monitor still shows it using a lot of memory. This can slow...

Fix 504 Gateway Timeout After Windows Update

After installing a recent Windows update, you might see a 504 Gateway Timeout error when browsing...

Fix 'Windows Defender Failed to Start Due to Group Policy' Error

You may see an error saying 'Windows Defender failed to start due to group policy' when trying to...

Fix GitHub Actions Cache Action Permission Denied Error

Fixing Windows Security Proxy Configuration Issues

When Windows Security (formerly Windows Defender Security Center) can't update virus definitions ...

Fix BitLocker File Locked After Windows Update

After a Windows update, some users find that BitLocker-encrypted files or drives show as locked o...