now solved
i used Windows Key Password Reset 7.7 burned a Bootable CD
and reset my password in just few seconds
i lost some of my contents
like My Documents (word excel n access IMP files)
all the updated data till 5Sep.
actually i will not say this is the solution
this software exactly delete your win profile...
and creates new profile...with the same name
i have to configure my settings in ms-office, dreamweaver, ps , tally...etc.
now this thread can be closed or anyone has better solution please do reply here
thank you all for your replies its worthy...n really appreciated