Fix 'Windows Defender Firewall Has Blocked' Error
You see a notification that Windows Defender Firewall has blocked an app or feature. This usually...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Reset Microsoft Store Settings in Windows 11
If the Microsoft Store isn't loading, won't download apps, or throws errors like 0x80131500, a se...
Fix Windows Security Locking Files as Antivirus Threats
You open a file you've used for months, and Windows Security blocks it, claiming it's infected. O...
Windows Terminal Shows Blank Screen When PowerShell Doesn't Load
You open Windows Terminal, expecting the PowerShell prompt, but instead you see a blank black or ...
Fix Windows Defender Credential Loop: Step-by-Step
You try to open Windows Defender or run a scan, and it keeps asking for your admin password or PI...
Fix Windows Update Failed to Start After Reboot
You’ve just restarted your PC after installing updates, but Windows Update won’t start. The updat...
Topic paths
Quick titles
Windows 10 PowerShell Not Launching: Common FixesHow to Resolve PowerShell Command Not Found ErrorsTroubleshoot Windows Security Not LoadingFix Microsoft Teams Camera Black ScreenWinRAR Checksum Error Fix GuideCommand Prompt Fix for Activation Error 0xc004c003Visual Studio Installer Hangs on C++ RedistributableWindows Security Won't Open After Update – Troubleshooting