https://bugs.winehq.org/show_bug.cgi?id=40121 Daniel Kuhn <cheeef(a)swissonline.ch> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |cheeef(a)swissonline.ch --- Comment #6 from Daniel Kuhn <cheeef(a)swissonline.ch> --- This issue still exists with all kind of .NET apps which communicate through COM-Ports. Another example is: https://www.eltima.com/download/serial_port_monitor.exe At least a workaround would be helpful. Regular Win32 apps seem to find the port just fine. -- Do not reply to this email, post in Bugzilla using the above URL to reply. You are receiving this mail because: You are watching all bug changes.