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

Fix Windows Terminal High CPU Usage and Sync Issues

If Windows Terminal is using high CPU or having sync issues (like settings not saving or profiles...

Chrome Profile Won't Connect to Google Services? Here's How to Fix It

If your Chrome profile suddenly can't connect to Google services—like Gmail, Google Drive, or the...

How to Fix 'File Locked by System' in Windows Defender

If you see an error like "File locked by system" when running a Windows Defender scan or trying t...

UFW Allow Port Not Working After Reboot: Fixes That Actually Work

You added a UFW rule to allow a port, it works fine until you reboot, then the port is blocked ag...

WinRAR Checksum Error and Permission Denied Fix

When extracting a RAR archive in WinRAR, you might see errors like “Checksum error” or “Permissio...

How to Fix Chrome SSL Certificate Error After Update