Proxy-url-file-3a-2f-2f-2f [portable] Here

If you are a Firefox user and seeing this in logs or prefs.js :

The triple slash suggests the proxy-url-file scheme is (hierarchical with an authority component empty). proxy-url-file-3A-2F-2F-2F

The screen flickered.

This indicates the application is attempting to access a file on your local hard drive rather than a website on the internet. related to this string or how to for a specific coding project? If you are a Firefox user and seeing this in logs or prefs