There are times when computer users experience problems with Windows or the system. Sometimes serious problems arise that cause the computer can not boot or Windows system files damaged by viruses. If this happens there are usually two options: Re-Install or Repair Windows Installation.
This time will be discussed how to repair (repair) installation of Windows XP.
Repair technique has advantages such as data on the system is still intact (the programs installed on your computer still remains). And it will also shorten the time, because if you reinstall the programs that exist including the driver must reinstall again. If the program is very much, it will spend a long time.
But even so, Reinstall Windows generally will be more “fresh” for our computer, especially if the previous drive in the format first, so that windows is really like a new born baby .. 
The mistake that often happens when you want to repair Windows XP installation is when a choice / installation menu the first time, we choose the Repair Using Recovery Console, so the show is application / Command Prompt window. Indeed, this feature can be used to fix some errors, but what we want is to improve overall system files of Windows XP rather than with a command prompt.
The steps to repair Windows XP Installation
1. Previously running the steps below, make sure the computer BIOS is set for the first time the boot sequence is CDROM and record the Serial Number of Windows XP.
2. Insert the CD Intallasi Windows XP, then restart (reboot) your computer.
3. When it says “Press any key to boot from CD”, press any key on the keyboard.
4. Windows Setup will continue to load the necessary files from the CD.
5. After that will perform “Welcome to Setup screen, then press ENTER (first choice)
6. After that will perform the Windows XP Licensing Agreement
7. Press the F8 key (I Agree) to continue
8. Windows Setup will look for whether the existing Windows XP installation.
9. If an existing installation of Windows XP, it will be displayed in the list. If no, then it will not be able to repair installation of Windows XP (should re-install) Do not continue if it does not know.
10. Once found, it is selected (select) Windows XP is in want and press the R key for me repair windows XP Installas it.
11. Wait until the request is complete until the computer restarts.
12. After the restart, and the menu appears Press any key to boot from CD then do not press any buttons. Follow the continuing process of repair to complete.
Once completed and the computer restarts, the installation of Windows XP already succeeded in repair, and program / existing applications, hardware drivers and the data will remain and run normally, without the need to install again. Except for applications that change the file system of windows such as Vista Transformation Pack and the like. If you use an application like this it is necessary in re-install