I too have had this annoying message consistantly for a week, this time
I normally set JPG and PNG to default app Photos, and after next reboot it magically disappears.
A question?
Has any on tried uninstalling PHOTOSand REinstall?
- Using different versions of photos [if they exist]
I might give it a go later.
Tried copying to Desktop - and of course worked.
Sort of points to "Photos" being flakey
- On my personal Won1o Pro laptop,
- I have full ownership on my account to avoid defaut admin
btw: "Not implimented" would seem to say "haven't got that >> Function, Priv, Permission, ability ?? or even MS want you off Win 10 :)