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

Fix Firefox Secure Connection Failed Error Due to Antivirus

You try to visit a website in Firefox and see a message like “Secure Connection Failed” or “PR_CO...

Fix Nginx HTTP to HTTPS Redirect Loop Error

You set up an HTTP-to-HTTPS redirect in nginx, but now your browser shows a redirect loop error. ...

Fix Windows Defender Real-Time Protection Configuration Error

You open Windows Security and see a message that real-time protection is turned off or has a conf...

Fix 'Git Remote Origin Already Exists' When Updating Remote URL

Fix VS Code Source Control Not Detecting Changes in Subfolder

You open VS Code, see changes in the root folder, but the Source Control panel shows nothing for ...