Thanks for your bug report, more information is needed.
Please attach your /etc/network/interfaces file before and after changing from DHCP to static.
Do you use different locations for DHCP and static settings? If so please attach the files under ~/.gnome2/network-admin-locations/
What version of gnome-system-tools are you using? Run the following command from a terminal:
$ apt-cache policy gnome-system-tools
Thanks for your bug report, more information is needed. interfaces file before and after changing from DHCP to static. network- admin-locations /
Please attach your /etc/network/
Do you use different locations for DHCP and static settings? If so please attach the files under ~/.gnome2/
What version of gnome-system-tools are you using? Run the following command from a terminal:
$ apt-cache policy gnome-system-tools