I've decided to get back into New Vegas, specifically modded, but BSA won't unpack an install of New Vegas in the Windows folder, so I decided to clear out my Galaxy install and get the standalone installer. It seemingly installed well enough, but as soon as I tried to run it, it just stayed running in the background, doing absolutely nothing. I tried running the launcher too, but it also did nothing. I've uninstalled and reinstalled over 10 times, to various different directories, and nothing is any different. Does anyone have any suggestions? Or am I maybe doing something wrong?

EDIT:
After trying to download it to a different folder through the Galaxy installer (hampered by my shit internet speed) I found that unless its installed in the default path (C:\Program Files (x86)\GOG Galaxy\Games) it won't even load through a Galaxy install.