W11 (KB5079473) (26200.8037) Something strange when moving or copying file, see attached picture

Since a few days i get the following, as shown in the picture, when moving or copying a file with the right or left mouse button (see picture on the left):

This is not normal behaviour. Then sometimes after i restart the PC, it goes like it should. (see picture on the right) Somebody else has this? What could be wrong?