There is no problem with the program.
I am afraid I can't agree with There is no problem with the program. There are lots of problems with ADE2.0.
However, to help sort out which of them you have, you need to give more detail of
- what you are trying to do,
- what has worked,
- what you were trying to do when it failed, and
- how it failed.
If you can't go through all that, quite a lot of problems can be resolved by ....
There are lots of bugs in ADE2.0. Try replacing ADE2.0 with the older but more reliable v1.7.2.
(You can have them both installed at once if you like.)
Version 1.7.2, it is a little difficult to find, available on Adobe site for Windows and for Mac.
The forum software is sometimes corrupting the link above. There shouldn't be a blank in 'editio ns.html'. The following redirects to the same page: http://tinyurl.com/diged172