
Fix 'Windows Defender Firewall Has Blocked' Error
You see a notification that Windows Defender Firewall has blocked an app or feature. This usually...
Software troubleshooting desk

You see a notification that Windows Defender Firewall has blocked an app or feature. This usually...

If you're trying to expose a local web server to the internet without opening firewall ports or d...

You've just installed or upgraded Windows, and after the first reboot, you're stuck at the sign-i...

You click Install, the progress bar moves a little, then you see "Installation failed" with an er...

You're trying to install a Windows feature update or run Windows Update during setup, and you see...

You open the Microsoft Store on Windows 11, and instead of loading apps, you see an error like “C...