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

Fix Windows Defender Service Not Starting (Error 404)

If you see error 404 when trying to start Windows Defender, it usually means the service executab...

Fix High CPU Usage from Windows Activation Failure

You might notice your PC fan running loud or sluggish performance after a Windows update or hardw...

How to Fix Git Push Rejected Non-Fast-Forward Error

You run git push and see: ! [rejected] main -> main (non-fast-forward). Thi...

Windows Defender Scan Stuck at Certain Percentage: Fixes That Work

If you run a Windows Defender scan and it stalls at the same percentage every time—often 85%, 93%...

Fix PowerShell Proxy Authentication Failed Errors

Fix Windows Search Rate Limit Error via Registry

You might see a "Search rate limit exceeded" or similar error when using Windows Search frequentl...