I have a problem when i try to load farmville via facebook?

i have been playing farmville for a few months and had no problems, but last week it the game only loads halfway and will not load completely, i can access the game from other computers but not my one, plzzz someone must know what the problem is, as im really missing my farm, so has anyone have any solutions for me, im not very computer literate, so i REALLY need some help thankyou