freezing on "Unpacking sun-java6-jre (from .../sun-java6-jre_6-10-0ubuntu2_all.deb) ... "

Hi all,
I try the following command
sudo apt-get install ubuntu-restricted-extras and when starts to install jre i had invited to configuring java but i can`t do nothing, it's just freezing.

Selecting previously deselected package ia32-libs.
Unpacking ia32-libs (from .../ia32-libs_2.2ubuntu18_amd64.deb) ...
Selecting previously deselected package java-common.
Unpacking java-common (from .../java-common_0.30ubuntu3_all.deb) ...
Selecting previously deselected package sun-java6-jre.
Unpacking sun-java6-jre (from .../sun-java6-jre_6-10-0ubuntu2_all.deb) ...

any ideas what i need to do?

Best regards.