Fix Windows Defender Service Not Starting (Error 404)
If you see error 404 when trying to start Windows Defender, it usually means the service executab...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Fix Windows Update High CPU Usage in Windows 10
If your Windows 10 PC slows down, fans spin up, and Task Manager shows high CPU usage from 'Windo...
Outlook 502 Bad Gateway: Troubleshooting Checklist
If you see a 502 bad gateway error in Outlook, it usually means the server gateway is misconfigur...
Command Prompt Troubleshooting Checklist for Beginners
When your Windows computer starts acting up—slow performance, error messages, or network problems...
Fix Outlook Search Not Working: Practical Solutions
When Outlook search stops returning results or returns incomplete results, it's usually due to in...
Fix Windows Update Blank Screen with No Cursor
You install a Windows update, reboot, and instead of the login screen you see a blank display wit...
Issue queue
SitemapKubernetes Pod CrashLoopBackOff: Common Causes and Fixes
How to Schedule Backups Using Command Prompt in Windows 10
Fix Windows Defender Not Working in Windows 10/11
Fix Windows Update Blank Screen with No Cursor
OBS Black Screen? Step-by-Step Fixes
BitLocker Connection Timeout Troubleshooting Guide
Troubleshooting Teams Error Code CXA20001
How to Resolve Outlook Module Not Found
Stop Windows Security Asking for PIN Repeatedly
Configuring Task Scheduler to Use a Proxy Server
Windows Update Memory Leak Checklist
Fix Windows Defender Version Mismatch with Configuration Tool
How to Schedule Backups Using Command Prompt in Windows 10
Fix Windows Defender Not Working in Windows 10/11
Fix Windows Update Blank Screen with No Cursor
OBS Black Screen? Step-by-Step Fixes
BitLocker Connection Timeout Troubleshooting Guide
Troubleshooting Teams Error Code CXA20001
How to Resolve Outlook Module Not Found
Stop Windows Security Asking for PIN Repeatedly
Configuring Task Scheduler to Use a Proxy Server
Windows Update Memory Leak Checklist
Fix Windows Defender Version Mismatch with Configuration Tool