Oh dear,just to a system restore to b4 you mucked things up like to the day b4.
1.Log on to Windows as Administrator.2.Click
Start, point to
All Programs, point to
Accessories, point to
System Tools, and then click
System Restore. System Restore starts.3.On the
Welcome to System Restore page, click
Restore my computer to an earlier time (if it is not already selected), and then click
Next.4.On the
Select a Restore Point page, click the most recent system checkpoint in the
On this list, click a restore point list, and then click
Next. A System Restore message may appear that lists configuration changes that System Restore will make. Click
OK.5.On the
Confirm Restore Point Selection page, click
Next. System Restore restores the previous Windows XP configuration, and then restarts the computer.6.Log on to the computer as Administrator. The System Restore
Restoration Complete page appears. 7.Click
OK.
Use System Restore to undo changes you’ve made to your computer
Before you open the System Restore console, you may want to save your work and close all programs since System Restore requires you to restart your computer.
There are two ways to access System Restore – through
Help and Support or through your
All Programs folder.
Through Help and Support:
1.
Click
Start, and then click
Help and Support.
2.
Under
Pick a Task, click
Undo changes to your computer with System Restore.
3.
Follow the instructions on the wizard.
Through the All Programs menu:
1.
Click
Start.
2.
Point to
All Programs.
3.
Point to
Accessories.
4.
Point to
System Tools.
5.
Click
System Restore.
6.
Follow the instructions on the wizard.
Creating a restore point can be useful any time you anticipate making changes to your computer that are risky or might make your computer unstable. If something goes wrong, you select the restore point you just created and Windows XP undoes any system changes made since that time.
Create a Restore Point
1.
Open System Restore. (See step-by-step instructions above.)
2.
Click
Create a restore point, and then click
Next.
3.
In the
Restore point description box, type a name to identify this restore point as seen in Figure 1 below. System Restore automatically adds the date and time that this Restore Point is created.

Figure 1. Creating a restore point
•To finish creating this restore point, click
Create.
•To cancel restore point creation and return to the
Welcome to System Restore screen, click
Back.
•To cancel restore point creation and exit the System Restore Wizard, click
Cancel.
To view or to return to this restore point, from the
Welcome to System Restore screen of the System Restore Wizard select
Restore my computer to an earlier time. Then select the date you created the restore point from the calendar in the
Select a Restore Point screen. All of the restore points you created and you computer created on the selected date are listed by name in the list box to the right of the calendar.
Note System Restore does not replace the process of uninstalling a program. To completely remove the files installed by a program, you must remove the program using Add or Remove Programs in Control Panel or the program's own uninstall program. To open Add or Remove Programs, click Start, click Control Panel, and then click Add or Remove Programs.