Applies to: ZWCAD 2017
Maybe you will encounter a situation that even the dongle is activated, but when open the program, it still shows trial version.
The reason related to this problem is the anti-virus program protect the data write in the registry.
To make sure the license is activated or not, please check the status of the following path.
HKEY_CURRENT_USER\SOFTWARE\ZWSoft\ZWCAD\2017
If the value is not added, please add it manually.