Knowledge base for software setup, errors, and daily tool work.

Chrome Startup Troubleshooting Checklist: Fix Browser That Won't Open

If Chrome fails to start—whether it crashes, hangs, or shows a blank screen—the problem is often ...

GitHub Actions Workflow Fails With No Error Message

You run a GitHub Actions workflow, it fails, but the log shows no error message—just a red X. Thi...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix Windows Defender 502 Bad Gateway: Tool Usage Tips

When Windows Defender returns a 502 Bad Gateway error, it usually means the security intelligence...

Fixing PowerShell Version Mismatch in CI/CD Pipelines

You push a commit, the pipeline runs, and then a script fails with a cryptic error about a missin...

PowerShell Not Opening on Windows 10: Quick Fixes

If PowerShell won't open on Windows 10—no window appears, it flashes and closes, or you get an er...