LadyDarkSorrow Yes, a dxdiag would be useful as a reference. I asked around a bit and have merged the thread where you posted into a bug report about what looks to be the same underlying issue. (The title is a bit narrow right now, but that may change.) The hardware involved here is kind of all over the map, so more information may be helpful.
EA_Solaire has also asked for affected saves earlier in this thread, if you're willing to share.
Dinky21b As mentioned originally, it would be helpful to have a dxdiag from your computer. EA_Solaire is also looking for saves, as above.
0zggd0fggmre It would be great to have a dxdiag from you as well, and a save if you're willing to share one. Instructions are linked above.
dabrat2255 Please update your Nvidia graphics driver to the version that came out a couple days ago. The one you have was implicated in several issues, and your dxdiag lists some crashes of the driver. This is regardless of whether DX9 mode helps. A save would be appreciated too.