"The utilitie unrar is not in your path" error.

[janmartin3]

Hi!

How to fix that error?
It happends both in CD Version as hd install
with Knoppix 3.3 verison 2003-11-14 but laso the version before.

It happends whenever I click a *.rar file.
Ark opens as usual but displays this error message.

Thanks,
JanMartin