Software comparisons, alternatives, and tool decision notes.

Nginx Upstream Connection Refused: Diagnosis and Fixes

When Nginx returns a 502 Bad Gateway or logs "upstream connection refused", it means Ngin...

Fix Cloudflare Wildcard Subdomain Issues After SSL Change

If your wildcard subdomains (e.g., *.example.com) stop working after you change SSL/TLS settings ...

Fix Discord Black Screen from Chrome Hardware Acceleration

Why Chrome Hardware Acceleration Causes Discord Black Screen

When Chrome uses hardware a...

Fix Angular Breakpoints Not Hit in VS Code

You set a breakpoint in an Angular component or service, start debugging in VS Code, and the brea...

Fix VS Code Terminal Not Working After Update

After a VS Code update, the integrated terminal may fail to start, show a blank window, or displa...

Fix Windows Update Service Not Running for System Restore

You might see “System Restore did not complete successfully” or “Windows Update service is not ru...