Windows CE FAQs
Can I clean the desktop on my Windows CE 5 system?
Yes, you need to create a new folder
\FlashDisk\Desktop
Edit the following registry setting to point the Desktop at this folder
HKLM\System\Explorer\ShellFolders\Desktop
New Value = \FlashDisk\Desktop
Remove the two keys found here
HKLM\Explorer\Desktop
Remove the wallpaper key found here
HKCU\ControlPanel\DeskTop
Finally right click on the TaskBar and tick the autohide button.
Run Savereg and on the next reboot the desktop will be clean.