Probably the malware targeted MCPR as I have uninstalled Mcafee this way at least for 6 years with nary a warning. Try downloading it to a stick and rename the file to abc.exe and run it. Really I would do this after your have run most of the scanners mentioned here
You may have to rename the downloaded setup files and the folder names where they are installed to as malware can be told to block such downloads from known AV sites.
I think I have resolved the problem.
I used another computer to download the MCPR and HitmanPro to USB stick (didn't need to re-name them however).
I then used MCPR to finish the McAfee uninstall, then used the anti-malware software to clean my PC (successfully).
Then I re-installed McAfee and seems to be working fine so far
Thanks for your response anyway peacekeeper
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