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

Windows Security Log Full: Clear and Archive Guide

When the Windows Security log fills up, you may see event ID 1104 (Log Full) warnings, system slo...

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...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

When you see 'Extension host terminated unexpectedly with erro...

Fix Windows Defender Not Starting Automatically via Registry

If Windows Defender doesn't start automatically after boot, it may leave your system unprotected ...

Fix Windows Security Not Opening Error 0x80073cfc

When you double-click Windows Security and nothing opens, or you see error 0x80073cfc, it usually...

Fix 'Windows Defender Command Not Found' in Windows 10

You open Command Prompt or PowerShell, type something like MpCmdRun or Get-MpC...