Cannot bootup windows 7 after upgrading to ubuntu 12.04

Posted by dhaval on Ask Ubuntu See other posts from Ask Ubuntu or by dhaval
Published on 2013-06-27T09:13:10Z Indexed on 2013/06/27 10:29 UTC
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Filed under:

12.04

|

boot

|

grub2

|

dual-boot

|

windows-7

I have tried

boot-repair
grub-update
bootrec commands
booting into safe mode with command prompt gets stuck with classpnp.sys file
changing sata options in bios 
etc

but windows keep throwing the STOP error /blue screen.

Heres details from boot-repair http://paste.ubuntu.com/5804023/

I have updated ubunto from 10.x to 12.x and have lost a day with no productive work

heres a screenshot of the blue screen enter image description here

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