Active Port Pro 1.30 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The program is included in Development Tools. Register.exe is the most common filename for this program's installer. We recommend checking the downloaded files with any free antivirus. The actual developer of the software is VSoft research. The most popular version among the program users is 1.3.
From the developer:
A lot of developers programming in the Windows environment often come across the problem that they cannot access hardware resources. As soon as an application tries to access the i/o port of some device, an exception occurs and the application is terminated with an error.
You may want to check out more software, such as Active Ports, iMyFone D-Port Pro or Fidelity Active Trader Pro, which might be similar to Active Port Pro.
Tools
Network tools