Try to boot your windows to SAFE MODE use the steps below:
How to start System Restore by using the Command
You must be logged on to Windows with a
user account that is a computer administrator to complete these steps.
To verify that you are logged on to Windows with a user account that is a
computer administrator, visit the following Microsoft Web site:
If a new program has
made your computer behave unpredictably, and uninstalling the new
program did not help, you can try the Windows XP System Restore tool. Important
If you have not previously set a restore point in System Restore, you
cannot restore your computer to a previous state. If you are not sure,
or if you have not previously set a restore point, contact Support.
start System Restore using the Command prompt, follow these steps:
Restart your computer, and then press and hold F8 during the initial
startup to start your computer in safe mode with a Command prompt.
Use the arrow keys to select the Safe mode with a
Command prompt option.
- If you are prompted to select
an operating system, use the arrow keys to select the appropriate
operating system for your computer, and then press ENTER.
on as an administrator or with an account that has administrator
- At the command prompt, type %systemroot%\system32\restore\rstrui.exe, and
then press ENTER.
- Follow the instructions that appear on the
screen to restore your computer to a functional state.
NOTE: IF THE PROBLEM STILL PERSIST AFTER SYSTEM RESTORE OR YOU HAVE NO RESTORE POINTS AVAILABLE. YOU MIGHT NEED TO REFORMAT YOUR PC.