heres what i did when you get the error screen see what is says is missing if it says gravedigger billboard or just random numbers and letters you should try loading a v4 truck first if it says something like SIRwsouter.mesh then you dont have it in your pack and you can either look for it in other trucks or go to the .truck file and change it if this is confusing then look in the tutorials someone posted how to fix trucks that dont work oh and if you have problems loading max d kreg or tropical thunder in stock v4 and you run .38 the problem is that there is a extra h in .mesh for example somecomponent.meshh