Pise nasledujici:

HKEY_CURRENT_USER\Control Panel\International
Locale REG_SZ 00000405
LocaleName REG_SZ cs-CZ
s1159 REG_SZ dop.
s2359 REG_SZ odp.
sCountry REG_SZ Česká republika
sCurrency REG_SZ Kč
sDate REG_SZ .
sDecimal REG_SZ ,
sGrouping REG_SZ 3;0
sLanguage REG_SZ CSY
sList REG_SZ ;
sLongDate REG_SZ d. MMMM yyyy
sMonDecimalSep REG_SZ ,
sMonGrouping REG_SZ 3;0
sMonThousandSep REG_SZ  
sNativeDigits REG_SZ 0123456789
sNegativeSign REG_SZ -
sPositiveSign REG_SZ
sShortDate REG_SZ d.M.yyyy
sThousand REG_SZ  
sTime REG_SZ :
sTimeFormat REG_SZ H:mm:ss
sShortTime REG_SZ H:mm
sYearMonth REG_SZ MMMM yyyy
iCalendarType REG_SZ 1
iCountry REG_SZ 420
iCurrDigits REG_SZ 2
iCurrency REG_SZ 3
iDate REG_SZ 1
iDigits REG_SZ 2
NumShape REG_SZ 1
iFirstDayOfWeek REG_SZ 0
iFirstWeekOfYear REG_SZ 0
iLZero REG_SZ 1
iMeasure REG_SZ 0
iNegCurr REG_SZ 8
iNegNumber REG_SZ 1
iPaperSize REG_SZ 9
iTime REG_SZ 1
iTimePrefix REG_SZ 0
iTLZero REG_SZ 0

HKEY_CURRENT_USER\Control Panel\International\Geo

Asi byla blbost instalovat ceskou verzi, kdyz chci anglictinu, co? :)