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

Fix Windows Defender Authentication Error from Corrupted System Files

You open Windows Defender and see an authentication failed error. This often happens after a fail...

Fix Remote Desktop Module Not Found on Windows 11

If you see 'Remote Desktop module not found' when trying to connect to a remote PC on Windows 11,...

PowerShell Module Not Loaded After Installation: Fixes

You install a PowerShell module with Install-Module, but when you try to use its com...

How to Clear Windows Defender Cache with a Tool

If Windows Defender is acting up—showing incorrect threat history, failing to update, or consumin...

MongoDB Authentication Failed: Administrator Checklist

Fix Windows Defender Proxy Error 0x80070422

If you see error 0x80070422 when opening Windows Defender or running a scan, it usually means the...