Doubt about the processor vs builds

[edipoCosta]

I need to know if some game couldn't works because my computer processor (AMD ATHLON X2 4200+) isn't the more actual.For example I can't play Mario tennis for wii, It doesn't works after game's introduction.
My computer is:

Motherboard: M2N-E SLI
Processor: AMD ATHLON X2 4200+
GPU: XFX NVIDIA 7300GS
RAM: 2 GB 667 DUAL CHANNEL
with the last version of emulator: 5136 by mamario or spellforce (special build SS3)

Thanks for help.