|Search Buddy is very dubious - can't comment on where you got it from.|
Try ADWCleaner (free) which will remove all toolbars. Most are a waste of space and best avoided:
if your really MUST have a particular toolbar you can get it again.
Run the Fixit from here to sort out your file associations:
Best to then (at the very least) run this freebie to check for viruses:
Always pop back and let us know the outcome - thanks