https://bugs.winehq.org/show_bug.cgi?id=57645
--- Comment #4 from Hans Leidekker hans@meelstraat.net --- (In reply to Alex Henrie from comment #3)
Created attachment 77775 [details] WINEDEBUG=+wbemprox
Here you go. It looks like the program expects the captions of serial devices to include the word "COM":
0024:trace:wbemprox:wbem_services_ExecQuery 0851A1D0, L"WQL", L"SELECT Caption, Service FROM Win32_PnpEntity WHERE Caption LIKE '%(COM%'", 0x30, 00000000, 00D3ED84
This query couldn't have returned an entry before this patch but there may be a fallback path that's no longer taken after this patch.