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

How to Fix Windows Security Virus Protection Turned Off

If you see a warning that Windows Security virus protection is turned off, it usually means the b...

Fix Microsoft Teams 'Permission Denied' Error on Launch

You click to open Microsoft Teams, but instead of the login window, you get a 'permission denied'...

Fix 504 Gateway Timeout in Google Chrome

You're browsing in Google Chrome and a page fails to load with the message '504 Gateway Timeout'....

Windows Defender Not Working After Update: Checklist

After a Windows Update, Windows Defender (now called Microsoft Defender Antivirus) may stop worki...

Fix VirtualBox Kernel Driver Not Installed on Windows 10

Fix 'Microsoft Store Command Not Found' After Update

If you see 'microsoft store command not found' in PowerShell or Command Prompt after a Windows up...