Take a printout of this page for your records. It is constantly changing whenever I update the instructions.
Messing with the registry can be fatal to your system. If you don't
know what you are doing, leave the entries there. You should back up
any files you wish to keep.
In the Control Panel, choose "Add/Remove programs"
In the menu, remove: Aladdin Ghostscript 8.54, Aladdin
Ghostscript Fonts, GSview 4.8
Delete c:\program files\ghostgum (if it exists)
Delete c:\program files\texmf
Delete c:\localtexmf (unless you have something to retain)
Delete c:\program files\emacs
Delete c:\usr
Delete c:\.emacs
Delete GNU Emacs from the Start Menu
Delete MiKTeX from the Start Menu
Delete GSview from the Start Menu
Delete Ghostgum from the Start Menu
Remove environment variables from c:\Autoexec.bat or
"systems/Environment". The variables are listed in Prepare. (Don't remove the TEMP and
TMP variables).
Run regedit (this is the dangerous part)
Delete the Software\GNU\Emacs key under HKEY_LOCAL_MACHINE (and/or
HKEY_CURRENT_USER)
Delete the Software\Mik key under HKEY_LOCAL_MACHINE (and/or
HKEY_CURRENT_USER)