[Solved] fps problem

hi guys i have a problem with the hacks when i play normal without hacks my fps = 70 & sometimes 65 but when i use hack the fps become 15 & sometimes 10 . i use windos xp service pack 3 and i have installed the c++ and net framework 4 and have the same problem when i use hack the fps become 10 or 15

i want to know 2 things
1- what is the fps ?
2- how to fix this proplem?

plz someone help me