Fix Windows Security Service Not Running for Antivirus
If Windows Security shows 'Service not running' or your antivirus isn't working, the underlying s...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Chrome SSL Certificate Error After Profile Update
After updating your Chrome profile—whether from a sync, a fresh install, or a migration—you might...
Windows Defender Service Not Starting in Windows 10: Fixes
If Windows Defender won't start in Windows 10, you might see error messages like "Service did not...
Fix Windows Defender Service Unavailable Error
You open Windows Security and see the message 'Windows Defender service unavailable' or 'Windows ...
Windows Activation Backup and Restore Configuration Guide
If you're planning a hardware upgrade, reinstalling Windows, or just want to avoid activation hea...
Fix Windows Security High CPU Usage After Update
After a Windows update, you might notice the Windows Security process (Antimalware Service Execut...
Topic paths
Quick titles
Fix Grayed Out Windows Defender Real-Time ProtectionHow to Fix Windows Security Not LaunchingOneDrive Sync Token Expired: How to FixFix Blank Screen After Windows UpdateResolve Windows Update Stuck on 100%Fix Microsoft Store Blank Screen Loading IssueStop Antivirus from Blocking Chrome Update Error 12Fix Windows Security Not Starting Automatically After Boot