http://bugs.winehq.org/show_bug.cgi?id=17565
Summary: Half-Life 2 pauses after first key pressed Product: Wine Version: 1.1.16 Platform: PC OS/Version: Linux Status: UNCONFIRMED Severity: enhancement Priority: P2 Component: -unknown AssignedTo: wine-bugs@winehq.org ReportedBy: jordm.s@gmail.com
The first key pressed after loading a game for the first time after starting Half-Life 2 will cause the game to pause. It only happens the first time you load a game after just starting the app, loading any game afterwards will not cause the issue.
The bug isn't very serious, all you have to do is hit "Resume Game" in the menu, but nonetheless, shouldn't be happening.