Last time when I was home, I installed Windows XP Pro SP1 OEM which came bundled with my laptop to my home desktop PC. Last week... when I upgraded it to XPSP2 and it was running smoothly after applying all updates and patches which MS released after SP2, I also validated it to MS Download Web Site... and they also recognize that I'm using GENUINE Product... But from today morning when I started my desktop, It gave a message on login screen after entering password that "You must activate Windows within 7 Days... " When I click yes it gives me message on WPA window that "Windows is already activated.Please click OK to exit" If it is already activated then why the hell it gives me warning to activate on start-up???? Don't know why this is happening... and what will happen after 7 days... I started taking backup, it's pindrop silence before storm kinda situation with my desktop.... I think I kinda break somekind of MS Laws and stuff by installing same product with same product ID on 2 machines; on my laptop and my home desktop.... did I ??? Help!