ok i did what u say and
now its says
Error during initialization:
Fatal error (0xc0000005) at 0x00000000.
A minidump has been written to iw4m-0.6-140-demo-20110715011512.dmp.
now its says
Error during initialization:
Fatal error (0xc0000005) at 0x00000000.
A minidump has been written to iw4m-0.6-140-demo-20110715011512.dmp.

not even when i set 9th prestige and lvl 70 than prestige to 10th and close the game... not working too so yea, i wont use this but good job anyway