Fix Windows Security Loading Issue with Built-In Repair Tools
If Windows Security (formerly Windows Defender) won't open or gets stuck on a loading screen, the...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Defender Rate Limit Errors After Update
If you see a rate limit error in Windows Defender after a recent update, it usually means the rea...
Fix Command Prompt Update Configuration Error
You open Command Prompt and see an error about an update configuration problem. This usually happ...
How to Fix Command Prompt Auto Start Not Working
If you've set Command Prompt to start automatically on login—via the Startup folder, Registry, or...
Fix Chrome Profile 502 Bad Gateway on Mac
If you see a "502 Bad Gateway" error in Chrome on your Mac, especially after a crash or update, i...
Fix Windows Search Blank Screen When Clicking Start Menu
If clicking the Start menu shows a blank search screen instead of the usual results and apps list...
Topic paths
Quick titles
How to Fix BitLocker Mount Failed Error 0x80070005 on macOSHow to Resolve Windows Terminal Startup Permission ErrorHow to Save and Restore Windows 11 Store AppsPowerShell PATH Missing TroubleshootingTroubleshoot Remote Desktop Crashes Windows 10Resolving Docker Pull Denied for Private ReposWindows Search Update Issues: Step-by-Step FixHow to Resolve BitLocker Sync Conflicts