
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...

You open Outlook and see: "Cannot start Microsoft Outlook. Cannot open the Outlook window."

You start downloading an app from the Windows Store, but the progress bar stays at 0% or a small ...

You buy an app on one Windows PC, but it doesn't show up on another. Or your game saves, settings...

You're logged in as an administrator, but Wi...

If OneDrive stops syncing and you've tried the usual fixes—pausing sync, restarting the app, or r...