try this :
Start > Control Panel > Select Network and Internet Connections
click network connections > rt click on properties n select d Network/Internet connection you use.
check each one individually by right clicking and selecting Properties
ven u c d client services on Netware in the list of properties, click on it to remove the small 'X' Click nothing else at this point. Now, scroll down and select Uninstall. ur PC should reboot with the old Netware logon.
aftr it does, go back to Control Panel and click UserAccounts and change how users logon. u should now be able to re-establish the welcome screen that netware disabled.
or else then this !
http://www.windowsitpro.com/windowsn...faq_20539.html
have fun !