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

How to Fix Windows Defender Not Starting Automatically

If Windows Defender (Microsoft Defender Antivirus) isn't starting automatically when you boot you...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix PowerShell Service Unavailable After Update

After a Windows update, you might see errors like "Service Unavailable" when trying to launch Pow...

Fix Docker Volume Mount Permission Denied Error

You start a Docker container with a volume mount and get Permission denied when tryi...

Fix "Access Denied" Error When Chrome Extension Not Working

You install a Chrome extension, try to use it, and see "Access Denied." The extension might be di...

Chrome Update Error 12: Fix Corrupt User Profile

If you see error 12 when updating Chrome, it usually means your user profile is corrupted. This c...