is there a way to reinstall my windows xp with Full version CD?

[dealcatcher]

is there a way to reinstall my windows xp with Full version CD?

Do I have to reboot my laptop with the cd in drive and overwrite to the same folder c:\windows ?

I do not want to lose all informations and apps in my windows...

[mcplar]

Put the CD in and reboot
hit any key when it says

Once it goes, select the repair option.

[dealcatcher]

Put the CD in and reboot
hit any key when it says

Once it goes, select the repair option.

it doesn't give me another option, it creates another boot menu to choose from, now I have 2 windows pro installed.

Is there any way I can install to the same c:\windows ?

[Cough]

Choose install at the first screen, repair at the second screen.

XP Repair install

Please read carefully and make sure you followed the warning links before initiating the Repair Install. You can print a text version for reference. repair.txt

Boot the computer using the XP CD. You may need to change the boot order in the system BIOS so the CD boots before the hard drive. Check your system documentation for steps to access the BIOS and change the boot order.
When you see the "Welcome To Setup" screen, you will see the options below
This portion of the Setup program prepares Microsoft
Windows XP to run on your computer:

To setup Windows XP now, press ENTER.

To repair a Windows XP installation using Recovery Console, press R.

To quit Setup without installing Windows XP, press F3.

Press Enter to start the Windows Setup. do not choose "To repair a Windows XP installation using the Recovery Console, press R", (you Do Not want to load Recovery Console). I repeat, do not choose "To repair a Windows XP installation using the Recovery Console, press R".
Accept the License Agreement and Windows will search for existing Windows installations.
Select the XP installation you want to repair from the list and press R to start the repair. If Repair is not one of the options, END setup. After the reboot read Warning#2!
Setup will copy the necessary files to the hard drive and reboot. Do not press any key to boot from CD when the message appears. Setup will continue as if it were doing a clean install, but your applications and settings will remain intact.

[Kalel]

perhaps you can try a system restore on some versions of xp you can go back and set your system to a earlier date if your computer saved one. i have had aquaintances do this when there systems got effected or they deleted something there they were not suppose to.