To use
this feature, you will need to be logged into your computer with
administrative rights.
First
click on Start button> All programs> Accessories> System Tools then
click
on System Restore.

Now a "Welcome to System Restore" wizard will
start, first read the detail instruction
on left side of the page.
On right side of the
page, click on "Restore my computer to an earlier time" check box
under "To begin,
select the task that you want to perform" area and then click on Next
button.

On the "Select a
Restore Point" page, click on bold date option, but try to use a restore
date as close as
possible to a time just before the problem started then click on Next
button.

Now a next page will
appear with title "Confirm Restore Point Selection", to restore your
computer to this
date and time then click on Next button to start the restore process.

Now system restore
process recover the previous windows settings and your computer
will restart with
"Restoration Complete" message, click Ok button to finish the process.
