If you have reset the password for your iZiggi's admin account, you will be asked to enter the username and password of your admin account when you use your iZiggi-HD with Presenter.
There are two ways to let the pop-up window disappear.
For both Mac and Windows users:
1) Enter the username (Admin) and the password that you have just set, then press "OK." Presenter will automatically remember the login credentials and you can start accessing the camera's Live View. The pop-up window will not appear again.
2) Reset your iZiggi-HD to its default settings by pressing the reset button at the base of the iZiggi-HD with a pin or paper clip.