KERNEL DATA INPAGE ERROR usually indicates that your Vaio can't copy data from the hard drive to RAM. A common reason is a hard drive problem and you should try to back up your data and then run a malware scan. From the command prompt try running CHKDSK /f /r to fix any disc errors.
What OS are you using - is it still the original Windows 7?
There could be many causes like corrupt drivers or loose cables. The exact reason will be stored as a code in the bugcheck data https://msdn.microsoft.com/en-us/library/windows/hardware/ff559211(v=vs.85).aspx
