Does the "start>run" (push start, then run) option available to you?
How about the task manager? (push ctrl and alt and del together)
It is looking to me like your infection will prevent you cleaning it, without a bit of knowledgeable help. There are specific forums for that. (Will post a couple, if you want.)
Thing is, it's going to be difficult to diagnose and clean here. It will possibly need special tools and instructions.