mcafee preinstall ver. removal

I have a pav6736 with 192ram that came with ME platform &Mcafee.I upgraded to homexp and find that mcafee followed alone and causes conflict with other pgms.How do I remove the virus scan file;I recieve err prompts that “part of the vs is missing;followed by a “download manager” link page.I tried the Mcafee site including several options for removal of this file.I found 1 file id of a possible7 and removed it ;the other file id’s were not there .The problem remains.I appreciate and help and being a beginner as far as computer literacy;struggle with terms etc.appologies. thanks Jerry