https://bugs.winehq.org/show_bug.cgi?id=43315 Kimmo Myllyvirta <kimmo.myllyvirta(a)gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |kimmo.myllyvirta(a)gmail.com --- Comment #1 from Kimmo Myllyvirta <kimmo.myllyvirta(a)gmail.com> --- Created attachment 58657 --> https://bugs.winehq.org/attachment.cgi?id=58657 quick fix This is related to WSAIoctl, SIO_GET_EXTENSION_FUNCTION_POINTER. The call is successful, but Steam compares if cbBytesReturned < 4, and it fails since wine sets it to 0. Not sure how correct the attached patch is, but at least Steam starts with it. -- 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.