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

Fix Microsoft Store SSL Certificate Expired Error

You open the Microsoft Store and see an error about an SSL certificate being expired. The store m...

Fix Command Prompt DNS Lookup Failed Error 0x80072ee7

Fix Windows Defender Connection Refused Error 0x80070005

When you open Windows Defender (Microsoft Defender Antivirus) and see a connection refused error ...

How to Clear Temp Files and Cache Using Command Prompt

If your computer is running slowly or you're running low on disk space, temporary files and cache...

How to Fix Microsoft Store Stuck on Loading When Reinstalling Apps

You try to reinstall an app from the Microsoft Store, but it gets stuck on the loading screen. Th...

Fix 'Security Module Not Found' in Windows Defender

If you see a message in Windows Security that says something like "Security module not found" or ...