Fix 'Windows Defender Not Recognized' Error in Command Prompt
When you type MpCmdRun or Windows Defender in Command Prompt and see
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Chrome Not Starting Automatically on Boot
If you've set Chrome to open when your computer starts but it doesn't, you're not alone. This iss...
Fix Command Prompt Crash Loop on Windows 10
If Command Prompt opens and immediately closes, or crashes repeatedly when you try to type comman...
How to Fix 'Access Denied' When Setting Windows Security Permissions
When you try to change permissions on a file or folder in Windows, you might see an error like 'A...
Check for Malware When Windows Activation Causes High CPU Usage
If your computer's CPU usage spikes after a Windows activation attempt, malware may be the culpri...
Fix Remote Desktop Authentication Failed Due to Group Policy
You try to connect to a remote desktop and get an authentication failed error. This often happens...
Topic paths
Quick titles
How to Stop High CPU from Windows Activation FailureHow to Stop RDP Timeout with Group PolicyFix Microsoft Graph Throttling in PowerShellHow to Fix BitLocker Dependency ConflictFix Microsoft Teams Path Not Found Permission Denied ErrorHow to Fix Connection Refused in Windows TerminalFix Remote Desktop Login Loop Caused by Group Policy SettingsResolve Windows Activation Problem After Ubuntu Boot