My pc stuck at Verifying dmi pool data ?

I am using windows 7 as os. and now it is not booting. hangs at verifying dmi pool data .. I tried all connection reseting, boot order change etc. last day I reinstalled the windows using CD ROM . while installation it showed partitions of HDD. and installation was succesful . ( one thing I noticed that the installation time was took longer than usual . copying ...% section was long) . 

please any personal computer gurus help me to solve this. 

Update:

I reinstalled windows for fixing this problem, ie; the problem is not caused by reinstallation.

Update 2:

Another thing is , if we try to boot from a bootable live os .. the pc will boot in to live cd after dmi pool data line. 

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