Disable GoBack software
reboot
then uninstall it
http://bizforums.itrc.hp.com/cm/QuestionAnswer
/1,,0x82033d853cd9d5118ff40090279cd0f9,00.html
There's also the below from MS KB Q316503 (WinXP):
To resolve this issue, disable GoBack,and then uninstall GoBack. To do this, follow these steps.
NOTE: You cannot uninstall GoBack in Safe mode.
Restart your computer.
During the startup process, press SPACE to access GoBack's menu options.
When prompted, enter the option for Disable GoBack, and then allow the computer to complete the startup process.
Click Start, and then click Control Panel.
In Control Panel, double-click Add or Remove Programs.
In the list of installed programs, click GoBack, and then click Remove.
Follow the on-screen instructions to complete the uninstall process.
If you want to continue to use GoBack or you need assistance to remove or disable GoBack, contact Roxio on one of the following Web sites for support and information about recent upgrades that are compatible with Windows XP:
http://www.roxio.com
http://www.roxio.com/en/support