Microsoft has had issues like this for years. Lesson? Be flexible on the apps for viewing, etc.
I have Cutted and Pasted the Photos from My Iphone to Pendrive and when i saw in pendrive half of the Photos are not opening .
Also when i open the error is showned in windows photo viewer that Either File is Not Supported or you dont have latest update of windows photo viewer .
What to do I need that Photos Very much !!
Please Help ME to Get it again .