Start your computer in safe mode. Start the registry editor. This is done by clicking Start then Run. (The Run dialog will appear.) Type regedit and click OK. (The registry editor will open.) Browse to the key: 'HKEY LOCAL MACHINE \ SOFTWARE \ Microsoft \ Windows \ CurrentVersion \ Run' In the right pane, delete the value called 'xpsystem', if it exists. Browse to the key: 'HKEY CURRENT USER \ SOFTWARE \ Microsoft \ Windows \ CurrentVersion \ Run' In the right pane, delete the value called 'xpsystem', if it exists. Delete 'HKEY LOCAL MACHINE \ SOFTWARE \ Classes \ CLSID \ {5321E378-FFAD-4999-8C62-03CA8155F0B3}', if it exists. Delete 'HKEY LOCAL MACHINE \ SOFTWARE \ Microsoft \ Windows \ CurrentVersion \ Explorer \ Browser Helper Objects \ {5321E378-FFAD-4999-8C62-03CA8155F0B3}', if it exists. Exit the registry editor. Start Windows Explorer and delete: %SystemDir%\SERVICES\SERVICES.EXE %SystemDir%\SERVICES\Y.EXE %SystemDir%\SERVICES\1.00.07.dll Note: %SystemDir% is a variable (?). By default, this is C:\Windows\System (Windows 95/98/Me), C:\WINNT\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP). Start Microsoft Internet Explorer. In Internet Explorer, click Tools -> Internet Options. Click the Programs tab -> Reset Web Settings.