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...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listEnable Windows Defender After Disabling Third-Party Antivirus
If you've disabled or uninstalled a third-party antivirus and now find Windows Defender is not au...
Fix Windows Terminal High CPU Usage When Not Working
If Windows Terminal is consuming excessive CPU even when idle or not working, the issue often ste...
Fix Windows Update Crashing After Restart – Step-by-Step
After installing updates and restarting, Windows may crash, freeze, or loop on the login screen. ...
Fix Chrome Profile Service Unavailable Error
When Chrome shows 'Profile service unavailable', it usually means the browser can't access your p...
Fix Chrome Error 0x887a0005 on Windows
If you see Chrome error 0x887a0005, it usually appears as a blank page, a crash, or a message say...
Topic paths
Quick titles
Fix Remote Desktop Authentication Failed by Resetting CredentialsHow to Fix Chrome Profile Not Found ErrorChrome Black Screen Instead of White: Quick FixesFix PowerShell Ubuntu Command Not Found on WindowsFix Chrome Profile Module Not Found After UpdateHow to Fix OneDrive Permission Denied Sync ErrorHow to Reduce Command Prompt Memory UseWindows Defender Not Running on Ubuntu – Fixes