Windows Defender Service Troubleshooting Checklist
If Windows Defender won't start, won't update, or shows error messages like "Service stopped" or ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listMicrosoft Teams Authentication Failed: Step-by-Step Checklist
You try to sign in to Microsoft Teams and see an error like “Authentication failed” or “We couldn...
Fix Windows Defender Login Loop Using Command Prompt
If you're stuck in a login loop after a Windows update or Defender configuration change, the issu...
Fix Remote Desktop 502 Bad Gateway & Gateway Timeout
If you're seeing a "502 Bad Gateway" or "Gateway Timeout" when trying to connect to a remote desk...
Docker Restart Policy Not Working: Common Fixes
You set a restart policy on a Docker container, but it stops and stays stopped. This is a common ...
How to Fix 502 Bad Gateway in Command Prompt
If you see a 502 Bad Gateway error while using command prompt—for instance when ...
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