Quake 3 help

[savesthed24]

I have a backed up version of Quake 3 and I installed it along with updating it to 1.31. My prolem is now the game reports an error when starting and won't load up. I had this problem before and I read on the forums that I had to delete a file or two before installing the 1.31 patch and that did work. I can't locate the post now so if anyone can offer any help that would be great.