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

Fix 'Port Already Allocated' Error in Windows Defender

You open Windows Defender Security Center or try to run a scan, and you see an error saying a por...

How to Set Up Windows Security for Maximum Protection

If you're relying on Windows Security (formerly Windows Defender) as your primary antivirus, you'...

Quick Fix for Microsoft Teams Error Code CXA20001

If you see error code CXA20001 when signing into Microsoft Teams, the app is usu...

How to Fix Command Prompt High CPU Usage on Windows 10

Fix Windows Defender Error 0x80070422: Won't Turn On

If you see error code 0x80070422 when trying to turn on Windows Defender, it usually means the re...

Fix Windows Update Cannot Connect After Reset

After performing a Windows reset, you may find that Windows Update cannot connect to the servers....