And unisntalled games generally never end up in the trash bin.
If he purchased it via download, than the actual install program is sent (often) to My Documents.
If he accidentally deleted this installation program, it would have been sent to the recycling bin.
Please -REP me.
Honestly, please do. I want to see how low I can go!!
Ignore that error message too. Just ignore it and keep going to give me -rep.
I can't say too much. Other times, write it to a DVD. (like I do with my all games) Try to talk with the creators about it. But I can't help at the proving of your true. Sorry.