Fix 'Windows Defender Command Not Found' After Malwarebytes Install
After installing Malwarebytes, some users see 'command not found' when trying to run Windows Defe...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listWindows Defender Access Denied Troubleshooting Checklist
You try to open Windows Defender or run a scan and get an "Access Denied" message. This usually m...
Fix Windows Security Not Launching at Startup
You restart your PC and notice Windows Security (formerly Windows Defender) isn't running. The ic...
Fix Putty Connection Refused on Port 22
You try to connect to a remote server with Putty on port 22, but you get 'Connection refused'. Th...
Fix Windows Search Not Showing Results Due to Authentication Error
You type in the Windows Search bar, but nothing appears—or you see a brief error message about au...
Fix Outlook Connection Errors Due to Firewall Settings
If Outlook cannot connect to your email server and you suspect your firewall is blocking it, you’...
Topic paths
Quick titles
How to Fix ERR_TUNNEL_CONNECTION_FAILED in ChromeFix Blank Screen After Windows Update 2024New User Guide: Microsoft Teams Setup ChecklistFix Chrome Profile Version Mismatch ErrorFix Microsoft Store Not Opening After Windows UpdatePostgres Password Authentication Failed: Common Causes and FixesFix BitLocker Configuration After Windows UpdateEnable Windows Defender Module via PowerShell