PTZ Controller can only be run on Windows XP and later. It needs .net framework 2.0.
Pleas make sure your computer is updated with latest service pack.
The internet connection is needed when it first time runs. It also need internet connection for registration.
You’d better download and install the latest version of PTZ Controller. Here is the link of latest version.
Please also try to install it on another computer if you have problem with one computer.
If it still has problem, please contact us (firstname.lastname@example.org) with the following information.
PTZ Controller version, which can be find in Help->About dialog.
You Windows Operation System information, which can be find in My Computer->Properties, you can send the screenshot of Computer->Properties windows, which contains the Windows version, and hardware information.