ctl + alt + del see how many process u have watch how memory maya use and CPU ... and if u have lets say i have normal about 27-29 .. 30 max ... if u have 40 + u have some viruses but im not sure .... if nothing helps u try reinstall Maya and if doesn't help reinstall your OS ... i don't see any other problems ( im not maya gosu or smth ) but thats my point of view