Fix Windows Defender Auto Start Not Working in Windows 10
If you find that Windows Defender isn't starting automatically when you boot Windows 10, your sys...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Update Error 0x80070005 with Registry Tweaks
You see Windows Update error 0x80070005 when checking for updates. This usually means a permissio...
PowerShell Reset Settings Script: Step-by-Step Guide
If you need to revert Windows settings to their default state—for troubleshooting or preparation—...
Fix Windows Update Failed: Permission Denied Error
When a Windows security update fails with a 'permission denied' message, it usually means the upd...
Fix Windows Defender Login Loop with Registry Edit
If you're stuck in a login loop after signing into Windows, where the screen flashes and returns ...
Windows Security App Not Opening After Update: Fixes
After a Windows update, the Security app may refuse to open—clicking the icon does nothing, or it...
Topic paths
Quick titles
Fix Windows Defender Real-Time Protection Off via RegistryTroubleshooting Windows Search 502 Bad Gateway Blocked by FirewallFix Dependency Conflicts When Microsoft Store Games Won't LaunchFix Windows Search Indexing Permission Denied ErrorsTroubleshooting Remote Desktop Invalid Configuration in Windows 10Fix Windows Security Rate Limit Error: Can't Open AppResolve Chrome DNS Probe Finished NXDOMAINHow to Troubleshoot Event ID 4625 in Windows