Here's where you get that needed program:

https://www.microsoft.com/en-us/download/details.aspx?id=10070

I installed it and Photo Gallery works like a charm now.  You may have to uninstall Photo Gallery first, install this and then reinstall Photo Gallery.  I didn't have to but some people did have to.  Don't know why, but as long as it gets Photo Gallery working again - who cares.