Minecraft not starting on Forge 1.7.2

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I installed recommended Forge version by installer, started minecraft launcher and clicked play. Launcher disappeared. That's all that happened. No Minecraft process (I know it's java something in processes). No log becouse Forge didn't even finish setuping (it does on 1st launch of Minecraft with Forge).

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I wanted to make install a mod which is ,,for Minecraft 1.7.5 or older'' as author says. Wait, are 1.7.5 mods compatibile with 1.7.10?

[LexManos]

Possibly, either way you should tell the mod author to update.