I purchased Vaio /Vista business in 2007
In 2010 I got assistande from Microsoft because I couldn't install updates...at this time above all it was verfied my vista is original of course !!
since two months it looks counterfait...works very slow and microsoft office freezes....is why?
the serial number at the back of my Vaio is the same than if I check (F2) .... because is ORIGINAL.
If I go to System, it says it is not registered ...
after 5 years working well ?????
and Microsoft assistance is closed since July 2011
I guess is a virus, but no way to find out !!!
Who can help me? Please ....