Windows Defender Service Troubleshooting Checklist
If Windows Defender won't start, won't update, or shows error messages like "Service stopped" or ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Search Indexing Paused in Windows 10
You open File Explorer or Start menu and search returns no results. Or you check the indexing sta...
PowerShell Profile Not Loading After Update: How to Fix
After a PowerShell update, you might find that your custom profile (functions, aliases, prompt) n...
Chrome Profile Settings Missing After Update: Fixes
After a Chrome update, you might open the browser only to find your bookmarks, extensions, themes...
Fix Windows Defender Not Starting Due to Dependency Conflict
If Windows Defender won't start and you see an error about a dependency service or group failed t...
Fix Windows Update Error 0x80070002 (Dependency Conflict)
When Windows Update fails with error 0x80070002, it usually means the update installer can't find...
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