Maintain File/Folder Zoom

I just installed Windows 10. Since then Directory Opus (DO) 11.15 has been acting different. I can manually zoom the folder to read files (ie ctrl + Mouse middle button). All my files/folders are at a very small viewable size. When I change the size then exit DO they revert to small. Is there a way to raise the zoom level for all files/folders and save it so DO opens with that larger size? Please help. Starman002

Zoom is just temporary.

Font sizes are configured under Preferences / Display / Colors and Fonts.