If I wanted to be funny, I would say maybe the bar is too cool, but I know it isn't a joke to you.
If there were others still having problems we might be able to figure this out, but no one else is reporting this now. MTU has been over the program with a finetooth comb and cannot find any more problems that would make it stop.
There is only one other thing I can offer at this time. And that is try turning off unnecessary processes. There is a list at the following website of things you can try.
http://www.blackviper.com/ They have a section for each operating system. Less processes means more time for Hoster.