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

Fix Remote Desktop Connection Refused on Windows 10

You try to connect to a Windows 10 PC via Remote Desktop, but you get an error like "Remote Deskt...

Fix Windows Search Indexing Permission Denied After Reinstall

If you recently reinstalled Windows or performed a reset, you might see 'Access Denied' or 'Permi...

Fix Windows Search Not Working on Ubuntu via VirtualBox

If you run Windows on Ubuntu—either through VirtualBox or as a dual boot—you might find that Wind...

How to Clear SSH Known Hosts and Fix Host Key Verification Failed

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...

Fix Microsoft Store 'File Locked' Error When Installing or Updating Apps

When you try to install, update, or launch an app from the Microsoft Store, you might see an erro...