Many thanks, Ix07 -- Your first link brought me to a thread that led me to a free site and AutoRotate Setup.zip. It works beautifully and solved my problem!

I would really appreciate knowing how to solve this problem!

Help! I've just returned from Europe with over 2,500 pictures, many of them photos of paintings that I took vertically with my Leica X2. When beginning to edit them with Microsoft Picture Manager,...