Windos 7- build 7048.winmain.090219-1845 aspires in 6 days!

Does someone have a solution for my problem????
Answer #1
My windows said to me that I make a backup for my files ‘couse it would aspire in 6 days…
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iConquest
Answer #2
download the latest release and install its good till like jun 2010 or something like that