Our Church's sound room computer is running on Windows XP Media Center Edition Version 2002 Service Pack 3. I have uninstalled programs that were being system hogs and were junk that were installed without premission by a member of the church. I installed Avast, Malwarebytes, and CCleaner and have run them. All three cleaned up the computer and removed any malware from the computer but it is still running very slow. Can you help us solve this problem?