Shouldn't your 'Target' mod extension be this:
Code:
"C:\Program Files\Steam\steamapps\common\il-2 sturmovik cliffs of dover\Launcher.exe" -mod=mods\jafa.audio
instead of this:
Code:
"C:\Program Files\Steam\steamapps\common\il-2 sturmovik cliffs of dover\Launcher.exe" -mod=MODS\CMSound