After removing all the apps I mentioned in my previous email, BugFixxer came back again!
I found another folder (this one located in C:\Window\SysWOW64) called Policies that is another hahomedia product. I've quarantined this (along with all the others) and used regedit to remove their entries in HKLM:SYSTEM:CurrentControlSet:Services. At the moment my computer is OK, but let's wait another 2...