window not geniune any more ??????

hi.i am having a big problem .
i did build my computer in oct 2012 i had a microsoft cd with 32 and 64 bits cd with the key that i pay 130.00 .so i did activeted now 2 day ago i get a popup telling that it is not valide or not geniune and put in new set of key .so i did type the same key that came with my window7 and still telling me that the key are not valide
what is going on here never had a problem before .
sorry am french and i am doing my best to explain it .

thank you .am late to reply .
now i know what is my problem .
in the fall of 2012 ii did build 2 computer with window7 and i use the same cd to intall window7 and the same key .but why is that it work till 2 day ago on the 2 computer .what get me the 2 of then show geniune am use to it because i build a lot of computer for my self to pass the time ..
right now i 3 running .2 window7 and one vista .
well i guess i will buy a set of key now i have no choice but were to buy only key key .
do you know any place to get them .

ho boy am in trouble .
after all the money i spend buying microsoft window dont you thing that we should get a brake for a bet .
after all how much money do you realy to live .
you gave one million and be really happy with it .
i will try to find a set of key some how .
thank again .

by the i did sel a lot of computer and i know that some of them upgrade the computer and the key are not in use any more .
i did try a few buy no luck

no thank you .
my next door guy fix computer so i will ask him just maybe he will find some for me .
i am 69 and my pension is not in the billions of dollars .few hundred

Take a look at the link above to purchase a legit Windows 7.

here is what is say on my desktop .
now this mean because my instalation cd is from microsoft .
i will send you a picture of the cd later

Take a look at the link above to purchase a legit Windows 7.

here is what is say on my desktop .
now this mean because my instalation cd is from microsoft .
i will send you a picture of the cd later.

here are my 2 cd