Solidworks Simulation Professional 2010 x64 SP2.1 Issue

After updating from SP 1.0 to SP 2.1, my static studies always fail.  Sometimes, I also get "Database not found" error.  While checking for updates, I am now asked to update to 2009 SP5.1 x64 edition! What could be wrong?

Thanks.

Narayanan

SolidworksSimulation