Fix 'Threat Service Stopped' in Windows 10 Defender
If you see a yellow warning in Windows Security that says "Threat service has stopped" or "Restar...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Search Not Connecting to SharePoint
If Windows Search stops returning results from SharePoint, you're not alone. This often happens a...
How to Fix Microsoft Store Backup Not Working
If your Microsoft Store backup isn't working, you're likely missing app settings, game saves, or ...
Fix Windows Security 502 Bad Gateway Sync Error
You open Windows Security and see a 502 Bad Gateway error when it tries to sync. This usually mea...
Fix Windows Security Errors After Update
After a Windows update, you might see a yellow warning or red banner in Windows Security saying s...
How to Fix Windows Activation Failed to Start Permission Denied
You try to activate Windows and get an error: "Activation failed to start" with "Permission denie...
Topic paths
Quick titles
IT Admin Guide: Fix Slow Remote Desktop ConnectionsLost BitLocker Key? What to Do When You Can't Unlock Your DriveFix 'Access Denied' in Chrome for AndroidFix Product Key Doesn't Match Installed EditionBitLocker Configuration Not Updating: Fix GuideTask Scheduler Memory Leak: Troubleshooting and FixHow to Fix Windows 10 Activation Error 0x8007232bCMD Path Not Found Error for Existing Files