How to Fix Windows Security Service Not Running
If you see an error that the Windows Security service is not running, the Security Center or Wind...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix 'Port Already Allocated' Error in Windows Defender
You open Windows Defender Security Center or try to run a scan, and you see an error saying a por...
Fix 'Windows Activation Module Not Found' Error in Windows 10
If you see the error 'Windows Activation Module Not Found' when trying to activate Windows 10, th...
How to Fix Command Prompt Keeps Crashing in Windows 10
If Command Prompt opens and then immediately closes, or crashes randomly while you're using it, y...
Setup Windows Security Backup and Restore on Windows 11
If you're looking to set up backup and restore using Windows Security on Windows 11, note that Wi...
Fix OneDrive High CPU Usage on Windows 11
If OneDrive is using 20% or more of your CPU on Windows 11, it's usually due to a stuck sync, cor...
Topic paths
Quick titles
Fix Windows Activation Path Not Found in Command PromptHow to Fix RDP SSL Certificate Mismatch ErrorsResolve Windows Terminal Dependency ConflictsFix PowerShell Backup Restore Error 0x80070005Windows Defender Sync Problems: Quick Fix GuideTask Scheduler Broken After Offline Setup? Here's the FixWindows Update Dependency Conflict FixChrome Profile Sync Not Working After Migration: Fixes