What is Ctrl + Alt + H keyboard shortcut for?

This shortcut is used by 30 programs in our database.

General description for this shortcut: This global shortcut is used by Nvidia's nvProfile Manager. If this shortcut doesn't work in any other program, you need to disable it. Open Start Menu and Find NVIDIA nvProfile shortcut, right click to it and click Properties. Now click Shortcut key field and press Backspace. Finally click OK to save changes. Now you can use Ctrl + Alt + H in any program.