Classic. The M4 is an extremely solid choice of Assault Rifle for MW2. It's fast, it's powerful, it's fairly accurate (even more so with the right attachments), and it's highly customisable, with very competitive damage and time to kill stats. What more could you want?
Solution 2: Check Your Internet Connection\n\n A poor and unstable Internet connection may also lead to the Modern Warfare 2 not launching PC issue. Therefore, when the issue comes out, you should check your Internet connection as well. To improve your network, you can try restarting your router and modem.