i try with administration permissions too, and nothing...
C:\Users\Usuario\AppData\Local\Temp\PROPSYS.dll not designed to run on windows or contains an error, Try installing the program again using the original installation media, or contact the system administrator or the software vendor for help
is this the only time i have this problem, i used ur hacks since mw2 and not problems, only this ._." help please? x(
PD: I deleted the propsys.dll and the hack stop of problems, if someone have this problem please read this to correct!