Any possible way to prevent Unit A from entering a dropship?
and also,how do you do the map progress bar thing?
Well...you center a location on the dropship and order all any unit to move away from that location.....
And to get the map progress bar go to the maps showcase forum. Go to the pinned post that says "map progress bar"
ahhh ok,if i make some changes to that it should work,thanks!

So you'd have the units automatically loading onto the dropship through an A.I script presumably? Well then, what I'd try is having a trigger saying
Never
Run A.I script for (unit) at this location. Is that an option? I think I have some old map around that has that trigger.
Depending on what the dropship is being used for, there are a number of different things you can do. If the dropship isn't being used for anything, I recommend giving it to Player 12.
EDIT: EruIluvatar OMG PLEASE DONT EVER SAY THAT AGAIN!!!! I'm sick of people thinking you can use the Never condition for that. You can't! It doesn't work that way. The Never condition's only purpose is to stop a trigger from running, it will never interact with other triggers. You can't do that. It's the same thing as unchecking all the actions.
Well,what i'm trying to do is the dropship will be a normal one just like in a melee game,but i want to prevent it from picking up Unit A,which is using unit halts to keep it from moving,so its just an issue of keeping people from picking it up out of the Unit-halt "Restriction"
Well, if you don't want it to pick up anything or do anything at all you can give it to another player. I _think_ if you give it to player 12 you won't be able to do anything with it at all. I'd have to test that to be sure, and I'm too lazy to do that.
I want it to be able to pick up units like normal and bring them to other places,i just don't want it to pick up a particular unit thats on unit halt
Im not sure if this is what you want to do but first constantly center a location on the drop ship. Uncheck all the ground elivations at the location.
Then make a trigger so if the player brings that specific unit to the location centered on the drop ship remove that unit and create it at the same location.