I usually use a freeware program called Faststone (latest version), which I love for basic manipulation, batch resizing, file conversions etc. It can't handle the 'post upgrade' CR2 files either and...

Thanks for the replies. I just had a quick chat with Canon. They're stumped too. Makes no sense why Windows 10 can handle all the existing CR2 files from this camera with no problem at all, but can't...

Hi: I upgraded from 8.1 to 10 about 6 weeks ago.
Hopefully this is the right forum for the problem.
Latest issue is that when I connect my (older) Canon camera via USB to the computer, Windows 10...