Modern Combat does not start

[DFG_tyerz]

Hi guys, i have a problem with my COH MC launcher,i have already follow the installation instructions,but when i open the COH ModernCombat Launcher,it gives me an error 404 and when i press the START button,it runs my normal COH Tales of Valor.

Can somebody please tell me how to fix this problem?

[I_am_a_Spoon]

Which version did you download exactly? The new version doesn't have a launcher (unless you're referring to the MSI installer?).

[DFG_tyerz]

The old version(error 404).

I also tried downloading the new version with the 1.017 Patch and the 1.018 Hotfix,i installed the new version to my COH folder(with the patch and the hotfix),I click the Modern Combat Launcher and it opens for a while,then it closes itself.

[I_am_a_Spoon]

Can you run me through the exact process (installing and launching the new version I mean)?

[DFG_tyerz]

I installed the new version COH MC to my main COH folder(including patch and hotfix),then there is a Modern Combat Launcher shortcut in my COH folder,i click it and it opens a small black window,then the small black window quickly closes itself.

[I_am_a_Spoon]

You mean this one?
"C:\Program Files (x86)\Steam\steamapps\common\Company of Heroes Relaunch\ModernCombat\Modern Combat Launcher.bat"

The crash upon start-up was introduced by a recent Relic CoH patch. Our 1.018 hotfix was released to fix it; if you're still having issues then it probably hasn't been extracted properly on your system. Give it another go and see if that works.