Casey,
Since Display Properties comes up when right clicking and selecting
Properties, the annoying rectangle is not an object, like a shortcut or file
or folder, but some kind of wallpaper.
I suspect that it is from some sort of malware.
Try this.
Right click a blank area of the Desktop | Click Properties | Display
Properties opens | Click the Desktop tab | Click the Customize Desktop
button | Click the Web tab |
UNCheck: Lock items on Desktop if it is checked.
In the Web pages window, is there anything listed besides My Current Home
Page?
If there is, and it looks like something that you do not want, does it have
a checkmark in the box?
If so, click on it to remove the checkmark, then click the Delete button.
Then Apply and OK your way back out of Display Properties.
If the above did not help, you may have some sort of malware.
If you change your Desktop wallpaper, does the annoying rectangle still
appear?
UPDATE your antivirus software and run a full system scan.
UPDATE whatever anti-spyware applications that you have and run a full
system scan with each one.
You might want to start in Safe Mode to run your antivirus and anti-spyware
software.
Running a full system antivirus scan or anti-spyware scan in Safe Mode can
be a good idea. Some viruses and other malware like to conceal themselves
in areas Windows protects while using them. Safe mode will prevent those
applications access and therefore unprotect the viruses or other malware
allowing for easier removal.
How to start Windows in Safe Mode Windows XP
http://www.bleepingcomputer.com/forums/index.php?showtutorial=61#winxo
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Hope this helps. Let us know.
Wes
MS-MVP Windows Shell/User
In