
: Use Task Manager (Ctrl+Shift+Esc) to ensure no other instances of the game or its processes are "stuck" in the background.
, and delete it. Restart Steam; it will automatically regenerate a fresh version of this file, which often restores the connection to the game. Run Steam as Administrator : Right-click your Steam shortcut and select Run as administrator : Use Task Manager (Ctrl+Shift+Esc) to ensure no