drweb does not install

[sternwart]

I bought lizens for drweb. I do not have unfortunately still Plesk 7,6 on the server it an update give there for mandrake.

Now I made the updates of 7.6, also among them the update of drweb. now stands in plesk, which is not installed drweb (is however istalliert)

can I deinstallieren drweb and again install?
or which I am to make? thank you