systray malfunctioning

[Grant]

>> My wife and I have identical Dell Vostro 1320 laptops and I've always
>> tried to keep their configs the same.  The xfce4 systray on mine works
>> perfectly, but my wife's has always malfunctioned and I've never been
>> able to figure out why.  xfce4 panel plugins work perfectly, but other
>> applications such as orage, blueman, wicd, and twinkle which should
>> appear in the systray do not.  The systray icon for twinkle actually
>> shows up in the center of the screen, but the icons for the rest do
>> not show up at all.  I'm not sure where to start with this, does
>> anyone have any ideas?
>>
>> - Grant

I noticed this from Twinkle if it helps:

X Error: BadWindow (invalid Window parameter) 3

I research it on Google but got nowhere.

- Grant