Hey im having big problems with Photoshop CS2!!?

Yeah well i try to save a brush into a brush folder and it won't work. It notifies me that it can't work and i clicked "ok". Well now the WHOLE brush folder dissapeared!! When I tried opening the file again..(I mean like the link is still there) but when i click it it says "File not found". It keeps deleting it's self every time i try to save a new brush!! HELP!!