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

Fix Windows Security High Memory Usage

You open Task Manager and see Windows Security (or Antimalware Service Executable) using 500 MB o...

How to Fix Microsoft Teams Screen Sharing Not Working

When you try to share your screen in Microsoft Teams and nothing happens—or participants see a bl...

Fix 'Command Prompt Auto Start Registry Permission Denied' Error

You're trying to configure Command Prompt to launch automatically at startup by editing the Windo...

Fix OneDrive 502 Bad Gateway Permission Denied Error

If you see a 502 Bad Gateway or Permission Denied error when us...

Fix PowerShell Authentication Failed Credentials Error

Fix Windows Defender SSL Certificate Error 0x80072f0d

When Windows Defender or Microsoft Defender Antivirus shows error code 0x80072f0d, it usually mea...