kanio91 Posted September 28, 2014 Report Share Posted September 28, 2014 Hello I have a problem with Unitronics Jazz20 R31. I'm using Windows 8.1 64-bit and u90 ladder 6.6.6. In Device Manager there is "STM32 Virtual COM Port". I am using the USB cable. This issue does not appear on my other computers with windows 7 64bit or Win 8 32-bit. Please help me Greetings Krzysiek Quote Link to comment Share on other sites More sharing options...
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