recently ive been opening up my computer and waiting after a long lag ending in a message saying error...cannot load dialog and error.. cannot load phonebook
please help!

Error 623?

Are you using Firefox, Outlook, or Outlook Express?

If Outlook;

http://support.microsoft.com/?kbid=842017

Thre's also info here;

http://support.microsoft.com/?kbid=227391#appliesto