help pleaze Windows key error

[Guest]

Two days ago I was using my computer and it hang up,nothing strange,reseted
it and oops: what's this message asking to enter my key to activate windows?I
took a look on the case sticky and entered it down but it tells me that its
not an authentic key (god it's a sticky of Microsoft itself ) how this could
be?
Im really disappointed please help I dont have much time:it says 12 days
left !
I have an Intel e4300 based comp with 2 g sys ram a geforce 7950 512mb
Kaspersky Antiv 6 win Vista home premium w: all updates from microsoft.
all worked fine aboout 1.5 month then booom!!!!!!!!!!!!!!!!!

 

[Michael Solomon]

Two days ago I was using my computer and it hang up,nothing
strange,reseted
it and oops: what's this message asking to enter my key to activate
windows?I
took a look on the case sticky and entered it down but it tells me that
its
not an authentic key (god it's a sticky of Microsoft itself ) how this
could
be?
Im really disappointed please help I dont have much time:it says 12 days
left !
I have an Intel e4300 based comp with 2 g sys ram a geforce 7950 512mb
Kaspersky Antiv 6 win Vista home premium w: all updates from microsoft.
all worked fine aboout 1.5 month then booom!!!!!!!!!!!!!!!!!

Are you sure you entered the key exactly? On the printed sticker it is
sometimes difficult to tell the difference between the letter "o" and the
number "0." Also, 6's and g's tend to look similar and are often confused.