Using LyX 2.0.2 on a Windows 7 x64. I have the exact problem described on this thread: http://comments.gmane.org/gmane.editors.lyx.devel/134251
I tried replacing clean_dvi.py with the one from LyX 1.6.9, which worked for the guy who posted that thread. Didn't help; I still get the same error.
