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 Remote Desktop Login Loop via Registry and Terminal Services
If you’re stuck in a remote desktop login loop—where you log in and are immediately logged out or...
Fix Windows Error 0x80070005: Access Denied
You try to open a file, run an update, or install a program, and Windows stops you with error 0x8...
Fix PowerShell Command Not Found After Windows Update
After a Windows update, you might see errors like command not found when trying to r...
Fix Microsoft Teams Error Code cxa20002
Error code cxa20002 in Microsoft Teams usually appears when you try to sign in or launch the app....
How to Fix BitLocker Blank Screen on Startup
You power on your Windows PC and instead of the BitLocker recovery screen or your desktop, you ge...
Topic paths
Quick titles
BitLocker Network Unlock Proxy Error FixFix Windows Terminal DNS Not Working After UpdateTroubleshooting Windows Terminal Memory LeaksTroubleshooting Windows Search 504 TimeoutHow to Fix Windows License Transfer to New Computer IssuesHow to Reset Microsoft Store Cache in WindowsStop Microsoft Teams Login Loop on macOSExtract BitLocker Recovery Key from Event Logs