Hangs up host application when closing the plugin with disabled internet

Computer is on the network with the Internet turned off.
When the plugin is cancel or applied on the layer, the host application hang up until the Internet is enabled.
In the previous version 3 and in “new” plugins viveza & silver this did not happen.

Helpful if you could provide more detail or exact steps to reproduce the behavior.

Host application is Lr or Photoshop?

Please include any error messages (if applicable)

What OS are you running… Windows, MAC and what is the version and build? This information will help everyone.

Photoshop. As well as PhotoLine. Win or Mac.
Turn off the Internet, leaving your computer on the network.
Apply ColoreFex on the layer. Click Apply or Cancel.
No messages, the program hangs.
There is an assumption that this does not happen to the demo, because In this case, the activation is checked.