Please perform System Restore:
The following information will guide you through using the
Windows XP System Restore feature to restore your computer
to a previous time when it was working properly.
1. Open System Restore:
a. If you are using the Windows XP default Start menu,
click Start, All Programs, Accessories, System Tools, and
then System Restore.
b. If you are using the Classic Start Menu, click Start,
Programs, Accessories, System Tools, and then System
Restore.
2. In the System Restore dialog box, click Restore my
computer to an earlier time, and then click Next.
3. In the System Restore dialog box, select a day and
time from the list when the computer was working properly,
and then click Next.
4. Close any open programs, and then in the System
Restore dialog box, click Next to restore your computer.
5. After the computer returns to Windows, in the System
Restore dialog box, click OK.
6. Determine whether the computer is working properly. If
it does not work properly, repeat the preceding steps and
select an earlier time and date.