Yes Pocus : it's under steamapps/ressources
I will try your method tonight at home.

It seems that I must wait until the patch is delivered by Steam.
Do you know when it will be done ? Few days ?

I will delete and redownload the game via Steam but as the patch erased saved game... I will just start playing.

Thanks for your fast reply

Hi, I just got the game via Steam. I applied the patch directly on the game but now after the launch, I've got critical error. ... 23:31:51 (Reporting) TListUnitDefs.Create 1975 UnitDef loaded, out of 1975 UnitDef files in 12090 ms 23:31:51 [Critical ] UnitDefs.CheckDatas The entry 24 Bateaux has an...