Hi Jcroot88,
_ Dear member of SanDisk Community, welcome. _
Okay, did you do all the tests, I would do in the first stage.
So, I think what happens, is that was a corrupt line, in the registry, which detects this UFD as “problematic”.
1- Then, the easiest to clean the “USB junk” , you can use (portable, 64b, free):
USB Scrub Cleans 1.00, http://filecloud.io/th9fkdzp
2- If not resolved, check if you have a “System Restore point” immediately previous, to the problem.
3- Finally, would the manual removal of the corrupt line, in the registry, but it is very risky:
http://kb.sandisk.com/app/answers/detail/a_id/205/kw/
Luck, and then you tell us, what happened, please.
Regards, Alfred. (Google translated)