Crash fixes without mods

Ok first all you will need to install WeMod
Once you are done go to Fallout New Vegas ultimate edition and click on the 3 bars
Once you click on the 3 bars go to mod settings in mod setting click on mod version
You need to click on latest version, or it will not work
once you are done click play and enjoy PS alt tab to WeMod and check if the play button says playing if it doesn't exit the game once you are past the main menu if you don't it will not say playing once you exit the game click play again and it probly work
also the img is just a random file