Fix Windows Search Connection Refused Due to Firewall
If Windows Search gives you a "connection refused" error, it usually means the firewall is blocki...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Store Error 0x80073cf9 Sync Issue
You open the Microsoft Store, try to download or update an app, and get error code 0x80073cf9. Th...
Fix Windows Security High CPU Usage on Windows 10
If your Windows 10 PC is running slow and Task Manager shows Windows Security (or Antimalware Ser...
How to Rearm Windows Activation Grace Period
When Windows is not activated, you have a limited time (typically 30 days) before it starts showi...
How to Fix Windows Defender Cache Not Clearing
If you've noticed that Windows Defender isn't releasing disk space after a scan or that the cache...
How to Fix Task Scheduler Proxy Error
If you see a proxy error when running a scheduled task, it usually means the task cannot reach th...
Topic paths
Quick titles
Windows Update 0x80072efd Network TroubleshootingFix PowerShell 502 Bad Gateway Certificate ErrorsFix 'Authentication Failed' Errors in Windows Server CMDFix Remote Desktop Authentication ErrorWindows Security Path Not Found in Windows 11: Fix ItRemote Desktop Printer Redirection After Migration FixFix Windows Update Error 0x800f0922 Installation FailedFix 'Cannot Access File Because It Is Locked' in Command Prompt