The Journey

To use qshape you need to install postfix-perl-scripts below are the commands for the major distros Fedora/Centos/Redhat yum install postfix-perl-scripts Debian, Ubuntu apt-get install postfix-perl-scripts Mandriva urpmi postfix-perl-scripts Suse yast -i  postfix-perl-scripts If this won install or wont run once installed then you may need to install perl, use the commands above but replace postfix-perl-scripts with perl Original Source: http://jerrylparker.com/?p=56

System.Runtime.InteropServices.COMException (0x800A03EC) Top answer solved this for me.

Spent ages trying to work out what was causing this error, eventually found the link below.  http://blkarwasara.blogspot.co.uk/2012/02/exception-details-systemsecuritypolicyp.html

For some reason webmin can no longer update network configuration changes correctly. So for instructions on how to change them manually follow the link below. Network settings config file locations: http://fedoraproject.org/wiki/Anaconda/Network#Editing_configuration_files