How to Fix Windows Defender Service Unavailable in Windows 10
If you see 'Windows Defender service unavailable' in Windows 10, the antivirus may be disabled or...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Search Indexer Not Working with Blank Screen
If you open the Windows Search Indexer settings and see a blank screen instead of the usual list ...
How to Fix Windows Defender That Keeps Stopping and Starting
If you notice Windows Defender (Microsoft Defender Antivirus) repeatedly stopping and restarting,...
Microsoft Store Troubleshoot Tool: How to Fix Common Issues
If you're having trouble downloading, updating, or launching apps from the Microsoft Store, the b...
Fix Chrome Profile Configuration Corrupt Not Working
When you see "Your profile could not be opened correctly" or Chrome simply refuses to start, the ...
Fixing AWS CLI Command Prompt Token Expired Errors
If you see 'Token expired' or 'The security token included in the request is expired' when runnin...
Topic paths
Quick titles
Step-by-Step Fix for Outlook Configuration ProblemFix 'Command Not Found' in Windows Terminal When Antivirus Is ActiveWindows Defender Not Working – 504 Error FixFix Error 0x80070643 in Windows Update on Mac via Boot CampHow to Fix Chrome Profile Refused Error MacOneDrive Sync Troubleshooting: Folder Setup GuideMicrosoft Teams Path Not Found: Quick FixesFix Windows Terminal Not Starting on Login