Booting Problem Plzzz help?

wen i boot my windows xp the boot screen appears for a small time and then computer restarts automatically

i dont wanna format or repair

Booting Problem Plzzz help?internet security 2006

try a system restore

1. Restart your computer, and then press F8 during the initial startup to start your computer in Safe Mode with a command prompt.

2. Log on to your computer with an administrator account or with an account that has administrator credentials.

3. Type the following command at a command prompt, and then press ENTER:

%systemroot%\system32\

restore\rstrui.exe

Type the above all as one line

4. Follow the instructions that appear on the screen to restore your computer to an earlier state.

Booting Problem Plzzz help?microsoft

Try a repair install of windows, follow these steps:

Insert and boot to your windows XP CD

At the menu press ENTER

Press F8 to agree

When it has detected your windows XP installation press R for repair.

The machine will copy heaps of files then reboot and enter the windows setup.

Complete the setup and hopefully all will be well
My dad's did this and it had a really bad virus on it. I know that you don't want to restore but that maybe then only thing you can do. If it has the virus my dad's had on it you wouldn't want to use it anyways. I do think there is a way to save your files though so you don't lose them.