Too bad about Picasa - people like it. Now that I understand about the embedded profile not being read by some programs (MPV Slideshow it seems!), I feel much better! At least the 10s of 1000s of...

Thank you shimshom, I had a look at the link but since a color cast is not my problem I didn't go through the process of deleting profiles unsure of unintended consequences BUT in the process of...

Thanks for the Chrome idea! Feel free to skip down to IN SUMMARY below...

I tried Chrome and the NEF (Nikon's raw) wouldn't display but the JPEGs saved from photoshop (both 'save as' and 'save...

Thank you all!

Since your pictures were looking ok in both modes hT, I saved a random picture off the internet, opened it with Photo Viewer, and it did look much more, if not entirely the same...

Thank you!

Yes, it's the slideshow that is wrong, faded badly as the Photos program that came with Windows 10 did, and the one-by-one view in Photo Viewer fixed.

The one-by-one is scaled down...

I used instructions from this forum to get Windows Photo Viewer back on my Windows 10 machine, thank you. When I 'page through' a folder with photos the colors are back to matching (as close as I...