Plus the obvious ones you should try first
How to Fix Slow Right Click on Windows 10
The context menu is a quick way to do important things in Windows. It is also known as the right-click menu. So what do you do if the right-click menu appears slowly or not at all? We have the list of the best solutions for a slow right-click menu in Windows 10.
Yes, turning it off and on again is the fastest thing you can try, but you've probably done that already. Here are the best solutions for a slow right-click menu:
It seems like a simple thing. The context menu is just a short list of commands, so what could possibly slow it down? It’s usually just one thing. Every time the context menu is opened, it has to hook into all the commands it lists.