How to Allow an App Through Windows Defender Firewall
If an app can't connect to the internet or network, Windows Defender Firewall may be blocking it....
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listWindows Defender Best Settings for Maximum Security
If you want to lock down Windows Defender without causing constant false alarms or breaking every...
Fix Windows Startup Repair Login Loop After Update
You sign in, see "Preparing Windows" or a spinning circle, then get dumped back to the login scre...
Fix OneDrive Sync Pending for Large Files
If you see "Sync pending" on large files in OneDrive, it usually means the file is too big or the...
Outlook Cannot Connect to Office 365: Fixes to Try
You open Outlook and see 'Cannot connect to Office 365' or 'Disconnected'. This usually means Out...
Fix 'Permission Denied' When Searching Windows Files on Mac
If you're seeing 'permission denied' when searching for Windows files on your Mac, it's usually b...
Topic paths
Quick titles
PowerShell CPU Usage Diagnostic GuideHow to Resolve Store Installation FailureOffice 365 Outlook Token Expired TroubleshootingHow to Fix 502 Bad Gateway in Scheduled TasksOneDrive Sync Paused: How to Resume SyncingResolve BitLocker Update Error 0x8031004fTroubleshoot Windows Activation Auto Launch FailureHow to Fix PowerShell Module Dependency Conflicts