Thanks a lot lawrence for the detailed reply. Can you tell me what do you mean by "unless you're running the software on any of the configurations mentioned"

Secondly how can i know which version of MS2 is installed, is this 051112 or 060817.

For upgrade, i have to installed each and every version or just install the last version on the previous one, and how to upgrade.. hope doesn't broke the template using from templatemonster