Windows Update Issue + Other Issues

Hi,


Having a problem with Bitdefender Total Security 2010 (on Windows 7 Ultimate x64)


In the very many occasions vsserv.exe is "not responding" I find that it is not actually a running process. Why does this happen?


Also, after the Vulnerability checker found that I had outstanding Windows Updates, and after I installed them, Windows Update now fails to recognise that these two updates have been installed, and tries to install them again and again!!


Update for Microsoft XML Core Services 4.0 Service Pack 2 for x64-based Systems (KB973688) and


Security Update for Microsoft XML Core Services 4.0 Service Pack 2 for x64-based Systems (KB954430)


Thirdly, after finally managing to add my other computers to my home network, one is permanently "offline" and the other two have completely left my list, although when I try and add them again I am told that they are already there.


These issues are very frustrating and would very much like to resolve them as this looks like a very good piece of software!


Many thanks,


Tom