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

Fix Windows Defender Stuck on Loading Black Screen

If Windows Defender (Microsoft Defender Antivirus) hangs on a black screen with a spinning or fro...

Fix Windows Update Error 0x80072ee2: DNS and Network Issues

Windows Update error 0x80072ee2 typically means your PC can't connect to Microsoft's update serve...

Fix Microsoft Store Token Expired Error on Windows 11

You open Microsoft Store on Windows 11 and see a message like "Token expired" or "Something went ...

How to Fix Windows Security Log Not Writing Events

You open Event Viewer, navigate to Windows Logs > Security, and see nothing recent—or nothing at ...

Checklist to Resolve Windows Search Authentication Failed

You open Windows Search, type a query, and get an error like “Windows Search authentication faile...

Fix Conda Environment Creation Failure with Permission Denied