What is the small icon appearing in the lower right corner of all dialogs

[skijumptoes]

As I said above, It’s an Nvidia icon - see here:-

Another anomaly!!

What is the little circle in the lower right corner of this pic? Thanks. [Anomaly 2.png] I found out. It’s a symbol placed there by my Nvidia video card. It’s the Nvidia ShadowPlay icon. Type Alt+Z and set it to Off.