Procomm Plus Windows 11 Jun 2026

If you have a legitimate installation CD or disc image, this community‑proven method from a Tek‑Tips thread offers the highest chance of success:

Ensure the user group "Everyone" has Full Control over the installation folder to allow the program to write log and script files. Known Risks and Limitations Windows 11 and Procomm Plus | Tek-Tips procomm plus windows 11

While these steps can help you attempt to run Procomm Plus on Windows 11, keep in mind that very old software may have inherent compatibility issues. If you're facing challenges with specific functionalities, especially related to serial communication, exploring modern software alternatives might provide a more stable and efficient solution. If you have a legitimate installation CD or

Early versions of Procomm Plus (and many components of Procomm Plus 4.8) rely on 16-bit installers or executables. 64-bit Windows 11 entirely lacks the Virtual DOS Machine (VDM) required to run 16-bit code. Early versions of Procomm Plus (and many components