This happened to me too. Old photos though, not ones previously named by an earlier version of PM. I am using build 13444.
Clicking on the PM icon didn't work for me, but I found the spot via Control Panel and it seems to have set it so that when I run PM I do it with Administrator Rights vs Non-Administrator rights.
1. why does this work?
2. doesn't it leave your computer more open to viruses? (yes I use an antivirus program -- just curious)
Thanks for figuring it out,
jan