Windows and McAfee

Margaret, Did you download & run the McAfee total removal tool… (http://download.mcafee.com/products/licensed/cust_support_patches/MCPR.exe)?.
AVG Guru

Just got a new computer with windows 10 on. Put on my AVG and uninstalled the McAfee that was on, told to restart my computer everything had been  wiped off had to reinstall everything again. This happened twice now my AVG is showing that it failed to install error OxCOO70643.Is there any way I can get direct help from AVG.as I'm not sure my computer is protected never realised it would be so difficult to get help never had trouble before

Margaret, Did you download & run the McAfee total removal tool… (http://download.mcafee.com/products/licensed/cust_support_patches/MCPR.exe)?.
AVG Guru