Gzdoom freezes

[Guest]

I recently wanted to play some smooth doom with the isabelle companion mod but when i load up gzdoom the game would freeze and REALLY slowly do stuff(load levels interact with menu close game etc.)i tried to play withoud any mod and just vanilla doom 2 and it still did this.pls tell me how can i fix this,it's really bothering me.
(ps.:thanks in advance even if we can't fix it)

[m8f]

What is your hardware configuration?
What GZDoom version do you have?
Have you run GZDoom successfully before, or is it the first time you have tried it?