No entries were found for 'run once' with single, double and no quotes. I have SP4 loaded.
HKEY_CLASSES_ROOT\EarthlinkBrowser.Application,
HKEY_CLASSES_ROOT\elnhelper\shell\open\command,
HKEY_CLASSES_ROOT\Installer\Products\3381E19FC7D252749BA87C97EF4C9164,
HKEY_CLASSES_ROOT\Installer\Products\C621DD455F5EC4044B7B66FDF74D2FFF,
HKEY_CLASSES_ROOT\TypeLib\{3FBE7E83-888E-4A9A-8C3F-732CB3902D5D},
HKEY_CLASSES_ROOT\TypeLib\{4B7F8BF4-99C2-11D2-B3C3-00A0CC3A50B9}\5.0\0\win32,
HKEY_CLASSES_ROOT\TypeLib\{545BF471-5A12-11D3-A51A-00105AC69471}\1.0\0\win32,
HKEY_CLASSES_ROOT\TypeLib\{7C3292C9-C25A-11D2-9949-00104BD069D6}\1.0\0\win32,
HKEY_CLASSES_ROOT\TypeLib\{F88A5FC0-DACB-11D2-AED5-00105AC69454}\1.0\0\win32,
HKEY_CURRENT_USER\RemoteAccess\Profile\EarthLink cdridgley@earthlink.net,
HKEY_CURRENT_USER\RemoteAccess\Profile\EarthLink cdridgley@earthlink.net,
HKEY_CURRENT_USER\Software\America Online\AOD\Internet Explorer\Favorities\Icon,
HKEY_CURRENT_USER\Software\EarthLink Network\5.0\BrowserControlBars\cdridgley@earthlink.net-Bar0,
HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications\EarthLink Mail Client,
HKEY_CURRENT_USER\Software\Microsoft\Fax\UserInfo,
HKEY_CURRENT_USER\Software\Microsoft\Installer\Products\544ADF5B4CAC6AB48ABF7A12B24D93ED\SourceList,
HKEY_CURRENT_USER\Software\Microsoft\Installer\Products\544ADF5B4CAC6AB48ABF7A12B24D93ED\SourceList\Net,
HKEY_CURRENT_USER\Software\Microsoft\Internet ClientX,
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.txt\OpenWithList,
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MenuOrder\Start Menu\Programs\EarthLink 5.0,
There are more. I plan on removing Netscape which seems to have entries for Earthlink and review the MS2000 Internet settings in the control panel as well as the Remove Programs again.