how to unlock my windows xp wen it expires?
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You can't really do it on your own. You will have to contact/call Microsoft.
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You might have installed XP from a pirated CD (as most people do). The problem is that updates like SP2 know that your copy is illegal and they prevent the install. Here's what to do.\n\nDownload Windows XP Corporate key changer from:\n\nmicrosoft.crack-cd.com/Microsoft_Windows_XP_Corporate_Key_Changer.html\n\nAfter you extract the files from the .zip archive, run the program XPProCorp-keyChanger.exe. \n\nA command-prompt window will open and it will generate many legal keys. Copy a few (right click on the command prompt window, select MARK, drag the mouse to select a few keys and hit enter) and paste it onto Notepad or something for later use.\n\nAfter you press any key to continue, "Activate Windows" program will open.\n\nSelect "Yes, I want to telephone a customer service representative to activate Windows." and click "Next"\n\nOn the next screen, select "Change Product Key".\n\nA screen with 4 boxes to enter the new key will appear.\n\nType in the legal key you have copied earlier from the command-prompt window.\n\n(Or you can use the following one: KC4BB-2JHWW-VKCD6-2MXFV-98VH6)\n\nClick "Update".\n\nIMPORTANT: Close the "Activate Windows" window immediately after this.\n\nNow your key is changed to a legal one, you are free to install Service Pack 2 or any other legal update.\n\n:-)\nxandercage0
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Disabling startup login prompt for password\n\nClick Start and Run \nType "Control Userpasswords2" and press enter. \nUncheck the box for "Users must enter a user name and password to use this computer." \nClick Apply and Ok. \nDisabling prompt for password after Windows XP resumes from standby or hibernation\n\nClick Start, Settings, and Control Panel \nDouble-click Power Options \nUncheck the "Prompt for password when computer resumes from standby" option. \nClick Apply and then Ok.
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First of all get Norton Anti-virus, it's the best out there and uninstall the others . Second, to recover your system, try this:\n\n1. Boot up with the WinXP CD and at the Setup Screen press the Enter Key.\n  \n2. You will be taken to the Windows XP Licensing Agreement. Press F8 to proceed.\n\n3. The next screen gives you the option to do a fresh (clean) install or to repair\n     the selected Windows XP installation. To run a Repair Install press "R".\n\n***CAUTION*** if you do not see the option to repair the selected Windows XP\ninstallation DO NOT choose the option to continue installing a fresh copy without\nrepairing as that will overwrite your data and cause unrecoverable data loss.\n\n4. If you originally installed XP with Service Pack 1 and later installed Service Pack     2,  you will need to re-install Service Pack 2.\n\n5. If you have any Microsoft Office products installed,  you will need to re-activate\n    with the Product Key code. Contacting Microsoft may be required.
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Run CHKDSK /P\nBoot off your XP CD\nChoose recovery consol\nAt the command prompt, type CHKDSK /P\nOnce the command finishes, type EXIT to reboot.
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If you are able to use the old disk drive with the old installation of windows xp on it then it is the simple task of using the following free software to recover your product key.\n\nhttp://www.magicaljellybean.com/keyfinder.shtml\n\nBut if that is not possible to do that then a call to microsoft customer services will help you as long (as you have a real copy of windows).
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You can't, you need to PURCHASE a legal copy of XP.\n\nMicrosoft can now trace illegal copies and will  shut down your computer as it's not a genuine copy. \n\nAnd as you are not able to get Windows Updates, your computer is also vulnerable to security attacks.
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Please go to the link provided below for step by step solution to your problem.\n\nHow to log on to Windows XP if you forget your password or your password expires http://support.microsoft.com/kb/321305
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★★ RESETTING WINDOWS ADMIN PASSWORD ★★\n\n◙ There are several ways to reset a Windows Administrator password. Below are three examples.\n\n◙ First you have to decide whether you have Windows XP Home Edition or Windows XP Professional Edition. If you don't know you can easily find that information this way.\n\n1. Open the Start Menu\n2. Right-click the My Computer icon and click on Properties.\n3. The version will be listed there in that page's System Area.\n\n◙ How to reset the Administration password for Windows XP Home Edition.\n\n1. Restart (click Start Menu > Turn Off Computer > Restart) your computer.\n2. Press F8 repetedly until the Boot Mode menu appears.\n3. Start Windows XP in the troubleshooting mode by selecting "Safe Mode".\n3. When the Widows Logon screen appears, a new user account appears at the top called "Administrator".\n4. Logon with that account which rarely needs a password.\n5. Once you are in go to the Control Panel and reset your password.\n\n◙ How to reset the Administration password for Windows XP Professional Edition.\n\n1. When the Windows XP Logon screen appears, press CTRL+ALT+DELETE twice very quickly.\n2. Type "Administrator", and leave the password box blank and you are usually allowed to enter.\n\n◙ Didn't that work for you? Well there is another way you can try. You can go to the web site below and download a program that will grab your encrypted password file. Get the information from that program and email the info to the web site and in a day or two you'll get your password back.\n\n◙ TIP: You can get you password back in a few minutes if you give them $20.\n\n☞ http://www.loginrecovery.com/\n\n◙ More information at the Microsoft Support Site.\n\n☞ http://www.google.com/search?hl=en&lr=&q=site%3Amicrosoft.com+windows+xp+forgot+password\n\n◙ The source of this information was "PCs, The Missing Manual". If you have Windows XP you really need to buy this wonderful book. It is worth every penny they are charging for it. Ipoders will find some helpful information here too.\n\n☞ http://www.missingmanuals.com/\n\n◙ Your computer comes with built-in help files. To get password information click on the START BUTTON > HELP & SUPPORT > SEARCH FOR "PASSWORDS". These help pages used to be a complete waste of time because they were so vague. But now they are very helpful. Back in the old days hard drive space was so small they really couldn't hold the huge cross-referenced help files we have today.
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You can't - not legally anyway.  Plus if you could get your hands on a copy of windows professional that you did not own - it would be shut down quickly by windows new authentication service.  Bottom line - go buy it.
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1. Wipe harddrive\n2. Install Windows 2000 or XP\n3. Wonder why you didn't do this sooner
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Disconnect the internet before doing this. \n\nwhile booting up your pc, press F2 or F8 or DEL depending on your BIOS. \n\nThen choose to enter "Safe Mode".\n\nOnce the winxp log on comes up, choose "Administrator". \n\nnormally there should be no password. If there is a password then only a person who created that password can unlock the PC. Else, reinstall the entire OS. \n\nOnce you are pass through the log on and once the computer starts up completely. \nGo to Control Panel - Users and remove or change YOUR password (the other users password, NOT ADMINISTRATOR)\n\nRestart and log on normally.
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Insert the Windows XP CD and restart your PC.\n\nThis will format it and become a personal one.
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there is a way to do that in windows xp, windows 2000 and windows 2003.. which operating system is installed??? i have a way in which the system would come back to the state as if it is installed fresh.. contact me at puneet_kakkar@hotmail.com.. thats my msn id.\nWe wud have to go to the recovery console to do this and u shud have the windows xp, 2000 or 2003 cd with u.
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I have not had to use this myself but there are step by step instructions for a service.\n\nhttp://www.loginrecovery.com/\n\nAn alternative method that requires the repair utility on the original XP install disk is here:\n\nhttp://pubs.logicalexpressions.com/pub0009/LPMArticle.asp?ID=305
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If you're in a dual-boot environment, boot to the Windows XP CD, enter the Recovery Console and run:\n\nfixboot c:\n\nfixmbr\n\nType EXIT and then the PC will reboot to Windows XP.
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Buy a legal copy of Windows XP.