system restart ( XP )

>-----Original Message-----
>Computer 2 days old....trying to install my ISP software
>but get this message: "Warning" setup has detected that
a
>previous application did not successfuly complete a
>required system restart....
>Before installing this application you must first
complete
>this system restart.
>Don't know what to do??
>Have all the software.....

>.
>Have you restarted your system?