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

How to Stop and Restart Windows Update Service

If Windows Update is stuck downloading updates, keeps failing with error codes, or won't start at...

Windows Search Not Showing Files: Fixes That Work

You type a filename into the Windows Search box, but nothing shows up—or only old results appear....

Fix Windows Defender Service Not Starting (Error 404)

If you see error 404 when trying to start Windows Defender, it usually means the service executab...

BitLocker Drive Not Unlocking with Password: Fixes to Try

You enter your BitLocker password, but the drive won't unlock. This can happen for several reason...

Fix Windows Update SSL Certificate Errors Not Working