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

Fix High CPU Usage by Antivirus Scanning PowerShell

If you notice that PowerShell (powershell.exe or pwsh.exe) is using high CPU, and you have an ant...

Fix Command Prompt Cache Clear Not Working

You run ipconfig /flushdns or arp -d in Command Prompt, but cached entr...

Command Prompt Dependency Conflict Troubleshooting Checklist

Chrome Profile Service Unavailable Error: Causes and Fixes

When you see the 'Profile service unavailable' error in Chrome, it usually means the browser can'...

Fix Ubuntu APT Update GPG Error: No Public Key

When running sudo apt update, you might see errors like NO_PUBKEY 1234567890AB...