In previous Windows versions you could remove entries by using a program called TweakUI. But unfortunately TweakUI for XP doesn't have this option.
However you can remove entries by editing the registry.
Go to Start > Run and type in regedit. Hit enter.
Navigate to the following key
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
Scroll down the list of programs in the left hand pane and right click the one you want to remove and select Delete.
Do this for all the entries you want to remove.Then close the Registry Editor.
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