Fix Firefox Not Responding When Opening a New Tab
You click the new tab button (or press Ctrl+T) and Firefox freezes, goes white, or shows a spinni...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Visual Studio Installer Not Responding on Windows 11
If you're on Windows 11 and the Visual Studio Installer stops responding or freezes during launch...
Fix Windows Security Error 0x80073b01: App Install Blocked
When you try to install a Windows app from the Microsoft Store, you might see error code 0x80073b...
Windows Search Proxy Troubleshooting Checklist
If Windows Search stops returning results or indexing hangs, a misconfigured proxy is a common ca...
How to Fix Chrome Extensions Not Loading After Update
After a Chrome update, you might find that some or all of your extensions have stopped working—th...
How to Clear Windows Defender Protection History Log
If you've ever opened Windows Security and seen a long list of past threats, you might want to cl...
Topic paths
Quick titles
How to Resolve Command Prompt Connection TimeoutsFix Microsoft Teams Service Unavailable ErrorRemote Desktop 502 Bad Gateway TroubleshootingResolve Windows Search Authentication Failed Permission DeniedWindows Update Stuck Error 0x80070643 GuidePowerShell Proxy Bypass CommandsFFmpeg Audio Out of Sync? Here's How to Fix ItFix Firefox Not Responding by Refreshing Your Profile