This hardly follows the bug reporting guidelines - it's huge!
However, if you unzip the .capx using something like winzip or 7zip, then delete the 'uistate.xml' files,it should then open.
Whatever you are doing with the (seemingly) hundreds of objects called pixels makes me think this is an incredibly badly designed engine.
I've re-saved the .capx and put it on Dropbox, just in case:
Forgot to say, this did throw a Check error but it couldn't be given focus, so no idea what it said.