Showing multipart zipfiles as a folder.
The last parts of the Zip are missing.
Mark an image that does not exist, then start the slideshow.
Result: Hourglass and blank screen with no further reaction, the attempt to end the slideshow shows dialog: -ThumbsPlus is not responding-. TP crashed.
Editing and Thumbnailmaking: Behavior is ok.
TP9 SP1, Win7 x64
