Norton power eraser rootkit check

When I tried to check the rootkit with power eraser, after the reboot, the program is stick at the initialization stage (Windows XP SP3).

 

Also what is this registery key I've asked the Power eraser to be erased?

 

- <SYSTEM_SETTINGS Count="1">
- <System_Setting ID="1">
  <RegistrySetting>hkey_current_user\software\microsoft\internet explorer\new windows</RegistrySetting>
- <SideEffects Count="1" Status="Remediate_Success">
  <RegistryValue>\REGISTRY\USER\S-1-5-21-1937583266-1516505312-1222477288-1006\SOFTWARE\Microsoft\Internet Explorer\New Windows\"PopupMgr"</RegistryValue>