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

Fix Windows Defender Real-Time Protection Turned Off & Connection Refused

You open Windows Security and see real-time protection is off. Trying to turn it on fails with a ...

Fix Microsoft Store Blank Screen on Windows 11

If you open the Microsoft Store on Windows 11 and see nothing but a white or gray screen, the app...

Fix Windows Security High CPU Usage and Slow PC

If your PC feels sluggish and Task Manager shows Windows Security (or Antimalware Service Executa...

Microsoft Store Proxy Error: Step-by-Step Checklist

If you see a proxy error in Microsoft Store, the app can't connect to the internet. This usually ...

Fix 'ffmpeg command not found' in PHP exec()