help me plzzzzz

[please please please HELP ME!!!!]

my windows vista is not working!!!!yesterday it was ok but today when i
turned on my computer it was not working and nothing is coming out please
help me!!!!!!it says that invalid product key and BUILD 6000 or something
like that.How am i gonna fix it?i can't even see my desktop. its just black
desktop and nothings coming out please help me.

 

[Carey Frisch [MVP]]

If your computer has entered "reduced functionality mode",
see the following:
http://www.vistax64.com/tutorials/121866-reduced-functionality-mode.html

--
Carey Frisch
Microsoft MVP
Windows Desktop Experience -
Windows Vista Enthusiast

---------------------------------------------------------------

:

my windows vista is not working!!!!yesterday it was ok but today when i
turned on my computer it was not working and nothing is coming out please
help me!!!!!!it says that invalid product key and BUILD 6000 or something
like that.How am i gonna fix it?i can't even see my desktop. its just black
desktop and nothings coming out please help me.