Here's what I used:
Originally Posted by WallaceTech
I also played around with an .adm to set the language because I read that the language setting might be causing the conflict:
CATEGORY "Custom Settings"
CATEGORY "Keyboard Layout"
POLICY "Set UK Keyboard Layout"
KEYNAME "Keyboard Layout\Preload"
END POLICY ;Set UK Keyboard Layout
END CATEGORY ;Keyboard Layout
END CATEGORY ;Custom Settings
Needless to say, I can't claim credit for creating these files initially!
KEYNAME "Control Panel\International"
POLICY "Select a Language"
PART !!Language DROPDOWNLIST REQUIRED
NAME !!Czech VALUE CSY
NAME !!Danish VALUE DAN
NAME !!German_(Austrian) VALUE DEA
NAME !!German_(Swiss) VALUE DES
NAME !!German VALUE DEU
NAME !!Greek VALUE ELL
NAME !!English_(Australia) VALUE ENA DEFAULT
NAME !!English_(South_Africa) VALUE ENS
NAME !!English_(Canada) VALUE ENC
NAME !!English_(U.K.) VALUE ENG
NAME !!English_(Irish) VALUE ENI
NAME !!English_(U.S.) VALUE ENU
NAME !!English_(New_Zealand) VALUE ENZ
NAME !!Spanish_(Mexican) VALUE ESM
NAME !!French VALUE FRA
NAME !!French_(Canadian) VALUE FRC
NAME !!Italian VALUE ITA
NAME !!Dutch VALUE NLD
NAME !!Russian VALUE RUS
NAME !!Portuguese VALUE PTG
categoryname="International Language Option"
Language="Select a Language"
English_(South_Africa)="English (South Africa)"
English_(New_Zealand)="English (New Zealand)"
explaintext="Select your default Language"