Calab Posted September 21, 2020 Share Posted September 21, 2020 I am using an SIO2PCUSB device to connect my Atari 130XE to my Windows 10 PC. The Windows 10 PC is a headless file server, so I can't see what is happening unless I connect to it remotely. It does log me on automatically, and RespeQT is set to start when I log in. Most times, when I try to start the connection I see a "Cannot open serial port 'COM5': Access is denied" message. If I keep clicking the connect button it will connect after a few tries. There is nothing else using COM5 that I can find. When the connection is made everything works great. But if I change a setting, or even just opening RespeQT, I can't be guaranteed that the connection will work. Does anyone have any idea why this might be happening? Quote Link to comment Share on other sites More sharing options...
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