See:MS KB Article ID: Q154092, Err Msg: Explorer Caused an Invalid Page Fault in Kernel32.dll, at http://support.microsoft.com/support/kb/articles/Q154/0/92.ASP.
Article ID: Q187965, same subject, at http://support.microsoft.com/support/kb/articles/Q187/9/65.ASP
http://help.netscape.com/kb/consumer/19970820-45.html
Be advised that you will lose all of the passwords for all users of the computer that Windows has “remembered” for logging into Internet sites, ISP, etc. if you delete the *.pwl files.