Return of Reckoning

I've just tried doing that and it is still throwing up the error:

Data.myp:
System.InvalidOperationException: Category does not exist.
at System.Diagnostics.PerformanceCounterLib.CounterExists(String machine, String category, String counter)
at System.Diagnostics.PerformanceCounter ...

Hi, i am unable to even start playing the game as i keep getting this error;
Data.myp:
System.InvalidOperationException: Category does not exist.
at System.Diagnostics.PerformanceCounterLib.CounterExists(String machine, String category, String counter)
at System.Diagnostics.PerformanceCounter ...