Major difficulties with AdwCleaner v. 7.0.3.1

I am helping a friend clean a grossly infected computer. Windows 10. Uses McAfee AV.

He ran Malwarebytes 3 without difficulty and it cleaned with no problem at all. I do have the log if needed but cannot find a way to attach the text file

He then attempted to use AdwCleaner v. 7.0.3.1 but it would not complete cleaning and received a box with notification that a problem had stopped the clean....