image show gk4 doesnt work

i have just downloaded the latest version of image show gk4.
The dropdown options of that module does NOT WORK. I am using that module on Boutique template joomla 3.
I tried interface options of all styles of the modules. NO SUCCESS.
Please help fix this.

In module Option >>> interface dropdown option dont work.
I want to disable certain option like (thumbnail, text block, ...). When I check Disable and save, it goes back to "Enable" .

I am using a Mac.

Please help.

Hi

This is a known issue. Please update joomla and module to the latest version and clear browser cache after that.