Fix Windows Defender Service Not Starting (Error 0x80070422)
You try to start Windows Defender but get error 0x80070422: “The service cannot be started, eithe...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Defender Connection Refused After Update
After a recent Windows Update, you might see a "connection refused" error when trying to open Win...
Checklist to Fix Windows Activation Memory Leak
You may notice your system slowing down or using more memory than usual after a failed Windows ac...
How to Fix Command Prompt File Locked Error in Windows 10
When you see Access is denied or The file is in use while trying to del...
Fix Chrome 502 Bad Gateway Error Caused by Extensions
You're browsing Chrome and suddenly see a 502 Bad Gateway error. The page won't ...
Chrome Browser Setup with Multiple User Profiles: A Practical Guide
If you share a computer or want to separate work browsing from personal browsing, Chrome’s multip...
Topic paths
Quick titles
Fix Chrome Profile Download Error on MacChecklist for Outlook Email Not Receiving IssuesOutlook Configuration Error Troubleshooting GuideTroubleshooting Chrome Remote Debugging Port ConflictsMicrosoft Store Won't Open After UpdateFix Chrome Issues by Resetting to DefaultResolve Docker Port Conflict When Port Appears FreeMicrosoft Store Permission Denied Error Fix