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

How to Fix Windows Defender Real-Time Protection Stuck

Windows Defender’s real-time protection sometimes gets stuck—either refusing to turn on after bei...

How to Fix Windows Search When It Can't Connect to Internet

If Windows Search can’t connect to the internet, you’ll likely see errors like “Can’t connect to ...

Fix 'Windows Security Authentication Failed' for Domain Credentials

Fix Microsoft Store App Not Opening on Startup After Update

After a recent Windows update, you might find that certain Microsoft Store apps—like Mail, Calend...

Fix OneDrive Login Loop After Password Change

You changed your Microsoft password, and now OneDrive keeps asking you to sign in again and again...

Fix Windows Update High CPU Usage and Error 0x80070002

When Windows Update runs, you may see high CPU usage and eventually error 0x80070002. This usuall...