Cannot install KNIME extensions

Hello everyone,

I want to install new software for KNIME. Because of the lack of administration rights in the company I'm working for, I have downloaded the zip archive and tried to update it by using the following way:
Help -> Install new software -> adding "KNIME Desktop Update Site -".

Unfortunately, I'm not able to accept the license agreements. The button "Finish" cannot be pressed.
A picture of the problem can be found in the attachement.

Has anyone experienced the same problem?
Is there a solution for this problem?

Thank you for your help.


Did you accept all license agreements in the list?

Yes, I have. I parsed through all agreements to control it. But I have to say: I only need to click once in order to accept all agreements.