F.E.A.R. 2 Project Origin 3xDVD5

[mesut28]

added to file the required language for the game ''Installerscript''
friends, try using a different language, the language is active in the system
look

[KaktoR]

Root: HKCU; SubKey: "SOFTWARE\\Monolith Productions\\FEAR2\\1.00.0000"; ValueName: "Language"; ValueData: "en,cs,fr,de,hu,it,ja,pl,es,ru"; ValueType: string; Flags: UninsDeleteKey;

>.>

Try this

Root: HKLM; SubKey: "SOFTWARE\{code:GetAppPublisher}\{code:GetAppName} "; ValueName: UninstallString; ValueData: {uninstallexe}; ValueType: string; Flags: UninsDeleteKey;
Root: HKCU; SubKey: "SOFTWARE\Monolith Productions\FEAR2\1.00.0000"; ValueName: Language; ValueData: en; ValueType: string; Flags: UninsDeleteKey; Languages: eng
Root: HKCU; SubKey: "SOFTWARE\Monolith Productions\FEAR2\1.00.0000"; ValueName: Language; ValueData: fr; ValueType: string; Flags: UninsDeleteKey; Languages: fre
Root: HKCU; SubKey: "SOFTWARE\Monolith Productions\FEAR2\1.00.0000"; ValueName: Language; ValueData: it; ValueType: string; Flags: UninsDeleteKey; Languages: ita

...
...
...and so on etc

PS: Are you sure HKCU is the correct root ? Not HKLM? I don't have this game, but usualy the most games save their registry entries in HKLM root.