>>UPDATE: a couple of hits I found after a Google search [windows 8.1 mcafee user profile problem]:
>>
>>http://social.technet.microsoft.com/Forums/windows/en-US/aa10ff61-83b2-4603-ae67-c692b2d4c741/action?threadDisplayName=windows&forum=w8itproinstall
>>
>>http://answers.microsoft.com/en-us/windows/forum/windows8_1-windows_update/windows-81-update-1-spring-update-kb2919355-user/bd9f02ac-5d81-4e2b-a83c-f225d8f68cc6
>
>I restarted with McAfee disabled. When I run my applications, it still creates all the user related settings on my v disk D: drive. In order to make sure this was not a setting that was changed during the setup, I uninstalled and installed again, twice, a software, without having McAfee loaded. The same situation happens.
>
>The next step is to uninstalled some Windows updates. I will see how it goes.

When I did the search I was wondering if McAfee might be the problem. But that doesn't seem to be the situation in your case. The links point to one or more MS updates that seem to cause profile problems for some people, which are similar symptoms to what you're seeing.