The screenshots presented are not enough to understand exactly what interaction with the extension looks like and what settings it has.

chrome to firefox works, but firefox to chrome doesnt, it opens in chromium instead. how do i we fix that?

Doesn't work unless you download and open other applications that work with this add-on. It's not a plug and play add on, that's for sure.

GC.Communicator.exe is blocked as generic adware by Bitdefender AV. Until it can be installed cleanly, I'm not going to use it.