Windows Security 404 Error: Practical Troubleshooting Checklist
You open Windows Security and get a 404 error instead of the dashboard. This usually means the Se...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
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View listHow to Fix Windows Terminal High Memory Usage
If Windows Terminal is using more memory than expected—hundreds of megabytes or even over a gigab...
Fix Windows Defender High Memory Usage & Error 0x80070002
You might see Windows Defender consuming a lot of memory, and then get error code 0x80070002 when...
Windows Security Not Scanning for Viruses: How to Fix
If Windows Security (formerly Windows Defender) is not scanning for viruses, you may see an error...
Fix Command Prompt Proxy Settings 502 Bad Gateway
If you see a 502 bad gateway error when using command prompt tools like curl, npm, or git, the pr...
Fix BitLocker Permission Denied When Accessing Encrypted Drive
You unlock a BitLocker drive, open it in File Explorer, and get a 'permission denied' or 'access ...
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