I have Windows7 installed and it is "Build 7100", it keeps telling me its not genuine(blah blah blah) and to go to the Microsoft website to validate it but that is impossible has the website is not set up for Windows7 yet. Now i have done all steps listed on the fourms already like: Set correct time in bios(Was Already Correct), Get new cd-key from Microsoft website and go into cmd and do the comands to install new key(I have done that twice, still having problems) I need help, how do i fix it, I have no intentions of instaling Vista ever again. never had to reinstall Windows7 but i always had to reinstall Vista for some reason.

7100 is the RC build. if you have access to the RTM which is 7600, than this may fix your issue. I had this same problem on a VM I was running, and had to keep reinstalling to get "3" days of use. Once the RTM code was released this problem went away. Hope this helps!