Hmmm, that aint good.

You want this thread:
http://forum.toribash.com/showthread.php?t=214180

I want you to make sure your GFX driver is up to date...
(section C)
... More importantly make sure you have the latest VC runtimes.
(section H)

Once the runtimes are installed fire up Windows Update - there's a patch for them you should get too.

Fingers crossed that'll fix it, ntdll.dll has a nasty habit of being a sign your PC needs wiped & reinstalled.