You have to restart your computer in order to use the "Mount Image"
PowerISO is not supported on Ubuntu. There are a multitude of programs that can do the same thing as well as or better than PowerISO, available for free in Ubuntu's repository.
A search in YouTube will turn up several tutorials on mounting ISO. Most will also identify some of the most popular programs for mounting ISO, such as Daemon Tools or PowerISO.
There are many different functions PowerISO can perform. Some of there are creating ISO files for burning DVDs and CDs, mounting ISO files to virtual DVD drives, and burning CDs and DVDs.
You can try PowerISO or CloneCD
Opaque
i doesnt say in google
it doesnt exist in platinum! dumbo!
Oh, let's see. This is a stretch: A-mount, as in He is a-mount. He is astride his horse.
E-Bay?Hemming's Motor?
yes
that is a statement not a question
Then don't let him know it hurt you.