Permission denied even as root !

[Jani Monoses]

Vincent Trouilliez wrote:
> Problem....
> 
> I am trying to install a commercial program that comes on a DVD
> ("Hachette Encylopedia"). 
> The procedure is simply to mount the DVD, and run the installation
> script. But when trying to execute it
> 
> 
> "unable to exec ./installation.sh: Permission denied"
> "bash: ./installation.sh: /bin/sh: bad interpreter: Permission denied"
> 

It is probably mounted with the noexec flag.