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

Fix Firefox Secure Connection Failed Due to Proxy Settings

If you see "Secure Connection Failed" in Firefox and suspect a proxy is involved, you'...

Fix Cloudflare Origin Certificate Error After SSL Change

You changed your SSL/TLS setting in Cloudflare (for example, from Flexible to Full or Full Strict...

Fix Chrome Startup Error 0xc0000022 on Windows

When you try to open Google Chrome and see error code 0xc0000022, the browser fails to start. Thi...

Fix Windows Defender Real-Time Protection Not Running

You open Windows Security and see a yellow warning: "Real-time protection is off." Or you...

Git Push Rejected Non Fast Forward: Troubleshooting Checklist

Windows Update Service Setup Guide: Enable & Configure

When Windows Update fails, the underlying service is often the culprit. This guide walks through ...