Return of Reckoning

I also tried to use the cmd commands but neither seemed to help ;-;

Sorry I dont know where to send this but, I open the launcher and get an error like this:

Data.myp:
System.InvalidOperationException: Cannot load Counter Name data because an invalid index '' was read from the registry.
at System.Diagnostics.PerformanceCounterLib.GetStringTable(Boolean isHelp)
at ...