Well, the suggested links didn't change much, so:
and I got further in the investigation of the patterns
Preben Carlsen, Oct 05, 2010
You are the first user to report this particular error, so I am pretty confident it is a configuration issue on your machine. I suspect it is related to having both SQL Express 2005 and SQL Express 2008 installed.
I did some Googling and Binging around and these are some similar threads that may include a solution for you:
I hope this points you in the right direction.
Dan McMillan, Oct 04, 2010