One click install doesn't work if you've installed the modloader without administrator permissions.
You can fix one click install by launching the modloader as an administrator and hitting the "Reapply"
button in the settings.
I'm Missile Rick!
This turns the AGM-65 MaveRICK into Pickle Rick!
Don't forget to check out the Pickle Rick Sound Mod from THE_GREAT_OVERLORD_OF_ALL_CHEESE