Fix Windows Defender Token Expired Preventing Service Start
You see 'Token expired' in the Windows Defender event log or a notification that the service didn...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listChecklist for Fixing Windows Search Auto-Start Issues
If Windows Search fails to start automatically after boot, you may notice slow file lookups or a ...
Fix Windows Search Not Working After Update
After a Windows update, search might stop returning results or hang indefinitely. This usually ha...
Fix OneDrive 'Permission Denied' Sync Errors
You see 'permission denied' in OneDrive sync status on Windows or Mac. Files won't upload or down...
Fix Microsoft Store App 404 Error on Windows 10
When you try to open or download an app from the Microsoft Store on Windows 10, you might see a 4...
Chrome Cache Not Working After Settings Change: Fix Guide
You changed a Chrome setting and now the cache isn't working properly. Pages reload slowly, old c...
Topic paths
Quick titles
PowerShell High Memory Usage Not Dropping: Fixes That WorkBitLocker manage-bde 404 Error SolutionWindows Update Proxy Error Troubleshooting GuideWindows Terminal Common Issues ChecklistWindows Update Not Installing Manually: SolutionsHow to Fix Windows Update 502 Bad Gateway in Windows 10Windows Terminal Performance Fix Setup GuideEdge Browser Troubleshooting Checklist