JSI Tip 0358 - Does your desktop disappear after installing IE 4.x?

With no desktop, use CTRL+ALT+DEL to start Task Manager. On the Applications tab, start a New Task of %SystemRoot%\System32\Regedt32.exe.

Delete the Settings value at:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Explorer\Cabinet State

Reboot.