I'd like to change a image which is showing after turning on "toogle remote input and remote blank monitor" option.
I mean this option:

Right now when i switch on this option i have that on screen:

Can i change this image? BTW - how it works? i've tryied to search this image somewhere in Windows but i don't see this image anywhere.
UltraVNC viewer machine:
windows 10 21h2 19044.1806
ultravnc 1.3.8.1
UltraVNC server machine:
windows 10 21h2 19044.1766
UltraVNC server 1.3.8.1
cheers,
T