Cannot Uninstall - Update

I had another problem before where BumpTop does not turn on and gives me the error message about "software exception". After I fixed that problem and restarted BumpTop it asks me to update (my version is 2100). When I click update, it pops up a dialogue box saying that there's no msi file for BumpTop. I can't remove it from Add or Remove Programs or update it. Please help!