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Fix PowerShell Proxy Authentication Failed Errors

Windows Defender Troubleshooting Checklist for Beginners

Windows Defender (now Microsoft Defender Antivirus) usually runs quietly in the background, but s...

Fix Windows Defender Blocked by Group Policy Permission Denied

You try to open Windows Defender Security Center or run a scan, but get an error: "Windows Defend...

Fix Windows Terminal 404 Error on Startup

When Windows Terminal shows a 404 error on startup, it usually means the app cannot find a requir...

Windows Security Failed to Load Permissions: Fix Guide

You open Windows Security and see 'Page not available' or 'Failed to load permissions'. This usua...

Fix Windows Defender 404 Error in Command Prompt

When you try to run Windows Defender commands from Command Prompt and get a '404 Not Found' error...