SAPEasy Access menu ->click'g Business Work Place"The Page can't displayed

Hi Gurus ,

In Easy Access menu of SAP enduser machine's ,by clicking the Business Workplace shows" This page can not be displayed " actually all the end user machines has been replaced by new machine Windows XP,professional edition SP2 previously it was windows 98 se,since problem perists after the OS changes .can anyone help me out in this , solutions rewarded

regards,

S.Rajeshkumar