[everything going green]

This is a reoccurring problem for me. I was told once how to fix it, but of course can't remember, and did not write it down.

Typically after an update is when this occurs. I go to place an image and affinity will display it (and print it) in all shades of green. In fact, this time, it took things a step further and changed my color swatches as well - notice my 'grey' are all versions of green now.

I changed nothing. I did nothing. This just happens automatically. How do I fix it please?  Thanks in advance for the help.