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

Fix Windows Defender Error 0x80073b01

If you see error code 0x80073b01 when opening Windows Defender or trying to run a scan, it usuall...

Fix Windows Search Update Permission Denied Error

You try to update Windows Search, but get a 'permission denied' message. This usually happens whe...

Fix Microsoft Teams Port Already Allocated Error

You launch Microsoft Teams and see an error: 'port already allocated'. This usually means another...

Fix Windows Defender High CPU Usage with Registry Tweaks

If Windows Defender is using 30-50% CPU constantly, even when idle, it's usually due to aggressiv...

Microsoft Store File Locked: Troubleshooting Checklist

When you try to install or update an app from the Microsoft Store and get an error about a file b...

How to Fix PowerShell Version Mismatch Error