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 listFix Windows Update SSL Certificate Errors Not Working
You try to run Windows Update but get an error like 0x80072F0D or 0x80072EFD
How to Repair the Windows Search Indexer Service
If Windows Search stops returning results, takes forever to find files, or shows no results at al...
How to Fix Windows Login Loop by Adjusting Security Settings
If you're stuck in a Windows login loop—where you enter your password, the screen goes black or l...
Fix Windows Search Connection Timeout Errors
If Windows Search stops returning results or shows a connection timeout error, it's often because...
Fix 'Windows Update Auto Start Service Not Found' Error
You may see a message that the Windows Update auto-start service is not found, often when trying ...
Topic paths
Quick titles
Chrome Performance Issues After Update: Troubleshooting GuideChrome Profile Configuration GuideSetup Task Scheduler to Run Daily BackupHow to Resolve Outlook Email Rate LimitWindows Command Prompt Startup TroubleshootingTroubleshoot PowerShell Crashing on LaunchWindows Activation Permission Denied Error GuideChrome Installer 0x80070005: Permissions Fix