Try opening JcmpLauncher.exe with "Run as administrator" ticked in the compatibility tab in properties.
Try opening JcmpLauncher.exe with "Run as administrator" ticked in the compatibility tab in properties. Some users have also reported that setting their Steam.exe to run as administrator fixes this issue. If that doesn't work, then try also setting JustCause2.exe to run as administrator.
Download and run the | DirectX End-User Runtime Web Installer.
Download and run the | DirectX End-User Runtime Web Installer.
Download and run the | Microsoft Visual C++ 2010 SP1 Redistributable Package (x86).
Download and run the | Microsoft Visual C++ 2012 Redistributable Package (x86).
Try restarting Steam.
Download and run: | DirectX End-User Runtime Web Installer
Make sure your game is running version 1.0.0.2. (All Steam copies automatically update to this version.)