failed to install or upgrade

[Brian Wootton]

Attempted to install sun-java6-jre 6-13-1, gave the above error, package was presented to me by KPackagekit
I selected it and clicked 'apply' and got ' This is not a genuine Ubuntu package - unknown error.
This may be of help:
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/var/cache/apt/archives/sun-java6-jre_6-13-1_all.deb Preconfiguring packages ... Preconfiguring packages ... Preconfiguring packages ... Selecting previously deselected package java-common. (Reading database ... 97947 files and directories currently installed.) Unpacking java-common (from .../java-common_0.30ubuntu4_all.deb) ... Selecting previously deselected package sun-java6-jre. Unpacking sun-java6-jre (from .../sun-java6-jre_6-13-1_all.deb) ... sun-dlj-v1-1 license could not be presented try 'dpkg-reconfigure debconf' to select a frontend other than noninteractive
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It's all the info I could find in the multitude of error windows that opened.

regards
brian
PS I was attempting to get java applets working in Konqueror and Firefox.

Kununtu 9.04, amd 64bit,