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 Update Authentication Failed in Enterprise Setup
When Windows Update fails with an authentication error in an enterprise setup, it often means the...
Fix Task Scheduler Invalid Configuration Permission Denied Error
When you try to run a scheduled task in Windows Task Scheduler, you might see an error like "inva...
How to Fix PowerShell Update Not Working on Windows 10
If you're running Windows 10 and get an error when trying to update PowerShell—either via U...
Fix Windows Update Error 0x80070002 (Dependency Conflict)
When Windows Update fails with error 0x80070002, it usually means the update installer can't find...
Fix Outlook Path Not Found Error When Opening PST File
When you try to open a PST file in Outlook and get a 'path not found' error, it usually means Out...
Topic paths
Quick titles
BitLocker CPU Spike? Follow This ChecklistFix Windows Defender 502 Bad Gateway Error: Configuration GuideEACCES Error npm: Step-by-Step FixFix MySQL Workbench Connection Refused on MacMicrosoft Store Won't Open: Port Already Allocated FixTroubleshooting Microsoft Store SSL Certificate ProblemsResolve Chrome Profile Error on macOSTroubleshooting Error 0x80073b01 in Windows Security