Invalid Key with Windows 10 Update

Hi,

I update from Windows 7 to Windows 10 and now.

When I launch the game from Steam, it said that the key is invalid, I also can't deactivate it ...

Anyone got an idea?

Please help.

Thanks!

I didn't find the right solution from the Internet.

References forums.letour-games.com/viewtopic.php?f=243&t=19063

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