Software crap

Grrr. So, theoretically the router should be working again, but my computer still doesn't appear to be net-connected. I've tried reinstalling the drivers, but attempting to run the install program results in a prompt asking me if I want to uninstall, and then a further message saying I can't uninstall the software because it's in use. Trying to find it anywhere on my computer, however, yields nothing, as I already uninstalled it or thought I did. I'd poke around in regedit, but I wouldn't know what to look for.

Any advice?