Hardware issues are frequent with iProg+ clone units, often requiring manual circuit repairs.
Open the file with Notepad. Check the Port= setting. It should generally match the COM port number displayed in your Device Manager.
Antivirus software often deletes the critical iprog.exe or connection .dll files without notifying you. iprog programmer not connected link
Which you are currently running? Is your iProg an original unit or a clone ?
Troubleshooting iProg Pro Programmer: "Not Connected" or Link Errors Hardware issues are frequent with iProg+ clone units,
If you use a budget iProg clone, internal manufacturing defects or component failures could be causing the connection drop.
Interactive pinout diagram showing:
Hardware issues are the most common cause of communication failures. Before changing software settings, check your physical setup.
I can provide specific driver links or script fixes once I know your setup. It should generally match the COM port number
