Referring to your other thread,
http://windowsforum.com/threads/event-25-volsnap-error.180450/, it may be an issue with Windows update - it won't recognize your new drive, but reacts as it is something hostile. 0x80070490 has a Fixit,
Link Removed
For further study,
Link Removed might not be the worst. It could be a NVIDIA issue?
Generally, I would agree with brkkab. I participated in a game mod project, where one of the leading characters lost more than 4Tb of data, due to a crash >>> get a new disk where you install Windows, then organize your data. And do not have your personal data on same disk / partition as you have Windows.
Courteously.