Set Digital icon Set Digital Toggle a digital I/O port between TTL low (0V) and high (3.3V/5V) in ARC; select board and port, simple on/off control-signal only. Try it →

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#2  

Hi Justin Thanks for your suggestions But unfortunately no success. Lennart

#4  

Have you tried changing the installation path from the ARC installer?

#5  

Justin Has solved the problem by freshen up an old PC and install Windows 10. Thanks for the help . Lennart