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

Fix Windows Security 404 Error Not Loading

You open Windows Security and see a 404 error or the page fails to load. This usually points to a...

Fix Windows Defender Error 0x80073b01 (Crash on Startup)

If Windows Defender crashes on startup with error code 0x80073b01, the antivirus service may be f...

How to Fix Microsoft Store High CPU Usage

If you notice your CPU running high after opening the Microsoft Store, you're not alone. The Stor...

How to Fix Windows Defender Permission Denied Scanning Errors

When Windows Defender reports "permission denied" while scanning, it usually means the antivirus ...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

How to Fix Windows Activation Connection Refused Error

When you try to activate Windows 10 or 11 and see "connection refused" or "can't connect to activ...