After hours of confusion, minutes of headache, moments of feeling like id*** I found DoItYourself solution of missing Languages in RC6 REG files for Latvian and Russian attached ! Here is sample with Latvian: 1.Find file intl.inf 2.Open it and find: [NLS.LGReg.Install.Baltic] HKLM,"System\CurrentControlSet\Control\NLS\Language Groups",3,,1 HKLM,System\CurrentControlSet\Control\NLS\Codepage, 775,,c_775.nls HKLM,System\CurrentControlSet\Control\NLS\Codepage, 850,,c_850.nls HKLM,System\CurrentControlSet\Control\NLS\Codepage, 865,,c_865.nls HKLM,System\CurrentControlSet\Control\NLS\Codepage, 866,,c_866.nls HKLM,System\CurrentControlSet\Control\NLS\Codepage, 855,,c_855.nls HKLM,System\CurrentControlSet\Control\NLS\Codepage, 1257,,c_1257.nls HKLM,System\CurrentControlSet\Control\NLS\Codepage,10000,,c_10000.nls HKLM,System\CurrentControlSet\Control\NLS\Codepage,28594,,C_28594.NLS HKLM,System\CurrentControlSet\Control\NLS\Codepage,28603,,c_28603.nls HKLM,System\CurrentControlSet\Control\NLS\Locale,00000425,,3 HKLM,System\CurrentControlSet\Control\NLS\Locale,00000426,,3 HKLM,System\CurrentControlSet\Control\NLS\Locale,00000427,,3 [KBD.LGReg.Install.Baltic] HKLM,"System\CurrentControlSet\Control\Keyboard Layouts\00010426","Layout Text",,%KLT_44% HKLM,"System\CurrentControlSet\Control\Keyboard Layouts\00010426","Layout Display Name",,"@%SystemRoot%\system32\input.dll,-5044" HKLM,"System\CurrentControlSet\Control\Keyboard Layouts\00010426","Layout File",,"KBDLV1.DLL" HKLM,"System\CurrentControlSet\Control\Keyboard Layouts\00010426","Layout Id",,0015 3. Create reg file like this: Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Nls\Language Groups] "3"="1" [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Nls\CodePage] "10000"="c_10000.nls" "1257"="c_1257.nls" "28594"="c_28594.nls" "28603"="c_28603.nls" "775"="c_775.nls" "850"="c_850.nls" "855"="c_855.nls" "865"="c_865.nls" "866"="c_866.nls" [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Nls\Locale] "00000425"="3" "00000426"="3" "00000427"="3" [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\] [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\\00010426] "Layout File"="KBDLV1.DLL" "Layout Id"="0015" "Layout Text"="Latvian (QWERTY)" "Layout Display Name"="@%SystemRoot%\system32\input.dll,-5044" 4.In field "Layout Text" You'll see value %KLT_44% Search for this string value in intl.inf KLT_44 = "Latvian (QWERTY)" KLT_54 = "Bulgarian (Latin)" KLT_55 = "Russian" KLT_56 = "Russian (Typewriter)" KLT_57 = "Serbian (Cyrillic)" KLT_94 = "Assamese" ................ bla bla bla God bless Nuhi lv_qwerty.reg rus.reg