My mac ibook 10.4.11ppc and when I change the language like from spanish to english,it always resets it to spanish

You need to make two changes:-

Go to Control Panel

1. Pick the Language Icon and change the language to English

2. Pick the Keyboard Icon and change it to Spanish Keyboard.

you may need to reinstall Mac OS X

Display Language
You can select either “English” or “Spanish” as the display language. The factory
preset is “English”.
• If you select a language you cannot read, change the display language again

1 Press [MENU].
2 Scroll to “Initial setting” by pressing [up]
or [down], then press Select.
3 Scroll to “Change language” by pressing [up]
or [down], then press Select.
4 To change from English to Spanish, press
Español.
To change from Spanish to English, press
English.
• The display changes to the selected language.
• You can also select a language by pressing [up] or
[down].
5 When Spanish is selected, press Salvar, then press [OFF].
When English is selected, press Save, then press [OFF].

If you just want to change the keyboard and general language settings, you simply go to the Start Menu -> Control Panel -> Regional/Language settings and change your language.

If your friend installed the Turkish version of WinXP (i.E. all the alert boxes are in Turkish) and you want to modify it to another language - that's a totally different and more complex situation.

In order to change the whole system language you can install a newer service pack in a different Language or uninstall the last installed Service Pack and after changing the registry settings below Install it again.
!!!Make always a backup of your Registry first !

You have XP SP2 in Turkish and want to change your systmes language to English, you will have to download SP3 in English (link).
(You can change the language here to another one before the download.)
Then you will have to change some registry keys. (Go to HKEY_LOCAL_MACHINESYSTEMControlSet001ControlNlsLanguage Registry Key), and change the value for “Default” and “InstallLanguage” from 041F (Turkish) to 0409 (English).
Reboot and you'll be able to install SP3 in English.
If no problems occur, you will have the whole system language changed.
Here is the List of numbers that represents each language in the registry:
* 0436 = "af;Afrikaans"
* 041C = "sq;Albanian"
* 0001 = "ar;Arabic"
* 0401 = "ar-sa;Arabic (Saudi Arabia)"
* 0801 = "ar-iq;Arabic (Iraq)"
* 0C01 = "ar-eg;Arabic (Egypt)"
* 1001 = "ar-ly;Arabic (Libya)"
* 1401 = "ar-dz;Arabic (Algeria)"
* 1801 = "ar-ma;Arabic (Morocco)"
* 1C01 = "ar-tn;Arabic (Tunisia)"
* 2001 = "ar-om;Arabic (Oman)"
* 2401 = "ar-ye;Arabic (Yemen)"
* 2801 = "ar-sy;Arabic (Syria)"
* 2C01 = "ar-jo;Arabic (Jordan)"
* 3001 = "ar-lb;Arabic (Lebanon)"
* 3401 = "ar-kw;Arabic (Kuwait)"
* 3801 = "ar-ae;Arabic (you.A.E.)"
* 3C01 = "ar-bh;Arabic (Bahrain)"
* 4001 = "ar-qa;Arabic (Qatar)"
* 042D = "eu;Basque"
* 0402 = "bg;Bulgarian"
* 0423 = "be;Belarusian"
* 0403 = "ca;Catalan"
* 0004 = "zh;Chinese"
* 0404 = "zh-tw;Chinese (Taiwan)"
* 0804 = "zh-cn;Chinese (China)"
* 0C04 = "zh-hk;Chinese (Hong Kong SAR)"
* 1004 = "zh-sg;Chinese (Singapore)"
* 041A = "hr;Croatian"
* 0405 = "cs;Czech"
* 0406 = "the;Danish"
* 0413 = "nl;Dutch (Netherlands)"
* 0813 = "nl-be;Dutch (Belgium)"
* 0009 = "en;English"
* 0409 = "en-us;English (United States)"
* 0809 = "en-gb;English (United Kingdom)"
* 0C09 = "en-au;English (Australia)"
* 1009 = "en-ca;English (Canada)"
* 1409 = "en-nz;English (New Zealand)"
* 1809 = "en-ie;English (Ireland)"
* 1C09 = "en-za;English (South Africa)"
* 2009 = "en-jm;English (Jamaica)"
* 2809 = "en-bz;English (Belize)"
* 2C09 = "en-tt;English (Trinidad)"
* 0425 = "et;Estonian"
* 0438 = "fo;Faeroese"
* 0429 = "fa;Farsi"
* 040B = "fi;Finnish"
* 040C = "fr;French (France)"
* 080C = "fr-be;French (Belgium)"
* 0C0C = "fr-ca;French (Canada)"
* 100C = "fr-ch;French (Switzerland)"
* 140C = "fr-lu;French (Luxembourg)"
* 043C = "gd;Gaelic"
* 0407 = "de;German (Germany)"
* 0807 = "de-ch;German (Switzerland)"
* 0C07 = "de-at;German (Austria)"
* 1007 = "de-lu;German (Luxembourg)"
* 1407 = "de-li;German (Liechtenstein)"
* 0408 = "el;Greek"
* 040D = "he;Hebrew"
* 0439 = "hi;Hindi"
* 040E = "hu;Hungarian"
* 040F = "is;Icelandic"
* 0421 = "in;Indonesian"
* 0410 = "it;Italian (Italy)"
* 0810 = "it-ch;Italian (Switzerland)"
* 0411 = "ja;Japanese"
* 0412 = "ko;Korean"
* 0426 = "lv;Latvian"
* 0427 = "lt;Lithuanian"
* 042F = "mk;FYRO Macedonian"
* 043E = "ms;Malay (Malaysia)"
* 043A = "mt;Maltese" 0414 = "no;Norwegian (Bokmal)"
* 0814 = "no;Norwegian (Nynorsk)"
* 0415 = "pl;Polish"
* 0416 = "pt-br;Portuguese (Brazil)"
* 0816 = "pt;Portuguese (Portugal)"
* 0417 = "rm;Rhaeto-Romanic"
* 0418 = "ro;Romanian"
* 0818 = "ro-mo;Romanian (Moldova)"
* 0419 = "ru;Russian"
* 0819 = "ru-mo;Russian (Moldova)"
* 0C1A = "sr;Serbian (Cyrillic)"
* 081A = "sr;Serbian (Latin)"
* 041B = "sk;Slovak"
* 0424 = "sl;Slovenian"
* 042E = "sb;Sorbian"
* 040A = "es;Spanish (Traditional Sort)"
* 080A = "es-mx;Spanish (Mexico)"
* 0C0A = "es;Spanish (International Sort)"
* 100A = "es-gt;Spanish (Guatemala)"
* 140A = "es-cr;Spanish (Costa Rica)"
* 180A = "es-pa;Spanish (Panama)"
* 1C0A = "es-do;Spanish (Dominican Republic)"
* 200A = "es-ve;Spanish (Venezuela)"
* 240A = "es-co;Spanish (Colombia)"
* 280A = "es-pe;Spanish (Peru)"
* 2C0A = "es-ar;Spanish (Argentina)"
* 300A = "es-ec;Spanish (Ecuador)"
* 340A = "es-cl;Spanish (Chile)"
* 380A = "es-uy;Spanish (Uruguay)"
* 3C0A = "es-py;Spanish (Paraguay)"
* 400A = "es-bo;Spanish (Bolivia)"
* 440A = "es-sv;Spanish (El Salvador)"
* 480A = "es-hn;Spanish (Honduras)"
* 4C0A = "es-ni;Spanish (Nicaragua)"
* 500A = "es-pr;Spanish (Puerto Rico)"
* 0430 = "sx;Sutu"
* 041D = "sv;Swedish"
* 081D = "sv-fi;Swedish (Finland)"
* 041E = "th;Thai"
* 0431 = "ts;Tsonga"
* 0432 = "tn;Tswana"
* 041F = "tr;Turkish"
* 0422 = "uk;Ukrainian"
* 0420 = "your;Urdu"
* 042A = "vi;Vietnamese"
* 0434 = "xh;Xhosa"
* 043D = "ji;Yiddish"
* 0435 = "zu;Zulu"

just go to teh site mobile heart.com and download the software for any language

Hello 
Please go in the System Preferences (apple menu), click on International. In the languages menu, place your language at the top. You have then to close the window and log out, then get back to your session

This is a classic and it happens all the time. http://www.fixya.com/support/t1786751-recorded_message_plays_in_spanish

Hold down the SKIP button for 2 seconds. Instant English :-)

Carl

Go to "apple" menu and go to system preferences, click on international ( the icon with the UN flag), from there you can change your preferable language. if english, Drag english all the way to the top of the list on the left. The list basically, means the other that your mac is going to select a language, if is not available for that particular one, it goes down the list. In the menu, order for sorted list, select english. on the last setting, word brake, leave it at standard.
I hope that was what you were referring to, if not, be a bit more specific. for example. are you referring to your mac in general or a specific program on your mac.
Otherwise, that should do the trick.

you should be able to keep it set to espanol....but if you are changing simcards constantly you will see that setting.

In APPS, there is no option for English. You need to select another language (DANSK usually comes first), then select option 2 for English (option 1 will be the language you chose in APPS).