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

Fix Windows Activation File Locked Registry Issue

You try to activate Windows, but get an error saying the activation file is locked or the registr...

Fix Windows Defender 404 Not Found After Update

After installing a recent Windows update, some users find that Windows Defender is missing or sho...

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...

Fix Windows Defender Security Center Module Missing Error

You open Windows Security and see a blank page or an error saying the security center module is m...

Fix Yarn Install Network Timeout on Windows