"Ghost" entries in Control Panel of XP System

[someone]

What do you mean by "ghost" entries?
>-----Original Message-----
>I have Windows XP and have a "ghost" Control Panel entry
>for STOMP BackUp MyPC (and a couple of others), but
>cannot get "uninstall" to uninstall the program because
>it needs a "Backup.msi" file that is nowhere to be found.
>
>This is preventing me from installing an upgrade because
>the upgrade (v4.81) detects the old (non-existent) copy
>listed in the Control Panel / Registry and fails when
the
>uninstall process cannont complete because the software
>isn't there.
>
>Any ideas on how to fix this (e.g., clean out the
>registry or find a "Backup.msi" file)???
>.
>