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

Fix Windows Security Not Opening or Running Slow

If Windows Security (formerly Windows Defender) won't open or takes forever to load, it's usually...

Fix Windows Startup Repair Login Loop After Update

You sign in, see "Preparing Windows" or a spinning circle, then get dumped back to the login scre...

Fix Microsoft Store Error 0x80073cf3: Service Unavailable

When you see error code 0x80073cf3 in the Microsoft Store, it usually means the Store can't reach...

Fix Windows Defender Login Loop Using Command Prompt

If you're stuck in a login loop after a Windows update or Defender configuration change, the issu...

Outlook Token Expired with Modern Authentication: Fixes

You're using Outlook and suddenly it asks for your password repeatedly, or shows an error like 'Y...

Fix MongoDB Authentication Failed Permission Denied Error