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

Fix Windows Security Login Loop and Sync Issues

You sign in to Windows, see the security settings sync message, and then get kicked back to the l...

Fix OneDrive Sync Module Not Found Error 0x8004de40

You see the error "Sync module not found" with code 0x8004de40 when trying to use OneDrive. This ...

How to Access a BitLocker-Locked External Drive That Won't Open

You plug in an external drive that you know is BitLocker-encrypted, but instead of the usual unlo...

Fix Microsoft Store SSL Certificate Error Not Working

If Microsoft Store won't open or shows errors like 'SSL certificate error' or 'Can't connect to t...

Fix Microsoft Store 404 Error by Clearing Cache

When you open Microsoft Store and see a 404 error, it usually means the app can't load its conten...

MongoDB Authentication Failed: Administrator Checklist