Fix Windows Defender 404 Not Found Error on Windows 10
You click to open Windows Defender Security Center and see a 404 page, or the Settings app shows ...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labPowerShell Script Permission Denied: Fix Execution Policy and Permissions
When you run a PowerShell script and see "permission denied", the cause is usually one of three t...
Fix Microsoft Teams Permission Denied Errors
If you see a 'permission denied' error in Microsoft Teams, it usually means the app can't access ...
Fix a Corrupted Windows Update Configuration
If Windows Update fails with errors like 0x80070002, 0x80073712, or simply hangs, the update conf...
Fix Windows Activation Stuck in Safe Mode
If you're trying to activate Windows but the process gets stuck or hangs indefinitely while in Sa...
Windows Defender Troubleshooting Guide: Step-by-Step Fixes
Windows Defender (now Microsoft Defender Antivirus) may stop working due to corrupted files, conf...