Borderlands Configuration Editor

if your browser identifies it as a virus, here's another link http://www.wondergamer.net/downloads/mods/borderlands.htm , or try the attached file

Config Editor 2.1.4.zip

This particular software seems to be picked up by antivirus software for some reason.

An alternative 'Borderlands Advance Settings' on this github may be a better alternative, as it has been updated more recently.