got a problem (not with text)

i know what im doing in terms of maps and stuff but when i put in a visor hud mod my computer starts crashing. but only while im testing the maps. is there a way to fix this?

Explain.

What mod? What port? Testing how?

the port is ZDooM

Mod is Visor helmet HUD

testing when i make maps from Doom Builder 2

ZDoom is outdated and discontinued. Download latest QZDoom or GZDoom: https://zdoom.org/downloads