when i click to open the game it doesn't say anything it just sits there, the mouse turns back into a pointer like i didn't click it

if i try to delete the "glitched" truck or track it'll say its being used by another program or person making me delete half my stuff so i can delete it.

I downloaded a few things today and i keep getting an error with around 1/4 of them it wont let me open the game and when i try to delete it, it wont let me it says its being used so i keep deleting everything else so i can delete it and then itll run so is there any other way i can delete it by not ...