You may not be able to log on to a Web site or complete an Internet transaction after you install the 832894 (MS04-004) security update or the 821814 hotfix on a computer that runs WinXP, W2K, ME, or Win9x. For example, when you submit your user name and password to an SSL-secured Web site by using a form on a HTTPS Web page, you may receive an HTTP 500 (Internal Server Error) Web page, [Q831167].