Go back in, disable Ewido, go into msconfig and enable normal boot...we need to see EVERYTHING that is set to start.
Move HiJackThis to it's own file following the instructions given here...
READ ME Before Posting A Request For Assistance!
HJT must not run from a temp file because any fixes made will not have a backup if needed. It must be run from it's own file. Follow PP's instructions exactly.

Also, give us more info than the computer is running slow. When is it running slow? Does it run slow all the time or just online? What other problems can you name it may be having?