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 BitLocker Version Mismatch Configuration Errors
You try to enable BitLocker on a drive and get an error about a version mismatch. This usually ha...
Fix Chrome Profile Update Error Permission Denied
You try to update Chrome, but get a 'permission denied' error related to your profile. This usual...
Checklist to Stop Outlook from Crashing Frequently
If Outlook crashes repeatedly—freezing, closing without warning, or throwing errors—this checklis...
Chrome Browser Troubleshooting Guide for Ubuntu
If Chrome is crashing, running slowly, or not launching at all on Ubuntu, a few targeted checks c...
Fix Windows Security Auto Start Registry Settings
If Windows Security (formerly Windows Defender) isn't starting automatically when you boot your P...
Topic paths
Quick titles
How to Restore Chrome Sync After Cache ClearFix Invalid Configuration in Microsoft StoreGitLab Runner Not Picking Jobs: DiagnosisFix Windows Security Login Loop: ChecklistFix DNS Probe Finished NXDOMAIN on Android ChromeFix Microsoft Teams SSL Certificate ErrorResolve PowerShell Connection Timeout ErrorsHow to Resolve Task Scheduler 504 Gateway Timeout