The file crashed DPX, nothing showed except a font warning, but it opened in Xara
X1 with messages about a font error in the file that it was fixed. (also a font not installed on the system 'Survival Horror')
I could save in Xara
X1 and then open that new file in DPX but with a new error about shadow properties when there was no shadowed objects. I could see the objects on the page but couldn't select any of them, saw loads of layers from import from PDF files (so you've been adding downloaded clipart from the web by the looks). My PC CPU was racing faster and faster, Xara
X1 was not closing and I couldn't re save the now opened file in DPX without another Internal Program Error. CPU usage shot up to 100%, fan racing, PC totally frozen up. Had to reset, but CPU activity shot up as soon as the desktop appeared, nothing was loading, mouse was like stuck in treacle.. I had to reset the machine again but it failed to load the desktop fully before freezing up again.
I've run a scan in safe mode - no infections. Cleared my system temp files and although booted normally this time the machine is not behaving well.. Still investigating the cause..
I have no idea at this time what your file caused, but it's very dodgy I agree. A job for Xara
.. Let us know what they find?