However, you can clear the problem if the following methods. Whereas in open-source version was built with itself PyMOL in place there is no licensing restrictions, because the plug-in APBS GUI has not been shipped, you seem to not be able to use the seemingly function of APBS GUI. However, you can also use the Educational License if the student. However, binary version because it has become a license system, you might not be able to continue to use freely.
This is the binary are some of the famous plug-ins have been pre-installed, making it possible even without the particular set anything use their facilities. Version of PyMOL is the distribution of binary version PyMOL from a two began.