I have Windows 11 on a min-PC, I use a Razer Naga mouse that is probably close to 10 years old now.

I noticed when playing games recently that I was having trouble dragging items in-game. Now I also do photography, and today I find that when I select a set of photos to drag to another folder (or flickr or whatever) I can seelct the items OK but when I click on them to drag them, instead they get deselected and the one the mouse is on is selected.

I've had this is the past, a long time ago. I never change any settings, in fact I only use this PC to plays games or edit/upload photos. So it looks like a Windows update issue to me.

Any advice on what to change to get things back to how I want them? I can't see any mouse settings that look promising...

I don't have a Razer driver loaded, that used to be annoying enough in Windows 7. All I am using is HID-compliant mouse, whatever Win11 loaded when I plugged the mouse in nearly a year ago (I've had this PC since last autumn).