vapev4 not working

[Perhaps]

first i open minecraft, i open vapev4 while in the main menu, it says minecraft is not responding and it closes

 

[Yeah_Jack]

first i open minecraft, i open vapev4 while in the main menu, it says minecraft is not responding and it closes

Are you using Forge with mods? Also try to contact support.

 

[Perhaps]

Are you using Forge with mods? Also try to contact support.

I'm using plain forge, I contacted support.