If somebody ever wondered about how to do such a neat message bubble in Batch. Well, it isn't possible.
However i found a way, with a little help of Powershell to create such a bubble.
In the script there is a switch included that prevents it from crashing, most likely if you have your ExecutionPolicy set wrong.

Well a little eye candy first:



Here is the code of my version (used in the picture): Click Here


Note:- Its a Batch File... so You Have to save it as "filename.bat".

Note:- ".bat" is extension (mandatory to save with this extension)