1. This hotfix is packaged in an auto-install format. Type the executable name to install it. For example, type "icmpfixi" for PC/AT compatible platforms, "icmpfixa" for Alpha platforms or "icmpfixn" for NEC PC-98 platforms (without the quotation marks). 2. The files can also be extracted from the hotfix without installing them. To do this, copy the hotfix to a temporary directory, and type "icmpfixi /x", "icmpfixa /x" or "icmpfixn /x" (without the quotation marks). After extracting the files, the hotfix can be installed by typing "hotfix" (without the quotation marks). NOTE: To obtain the symbol files, copy the hotfix to a temporary directory, and type "icmpsymi", "icmpsyma" or "icmpsymn" (without the quotation marks). The symbol file is Tcpip.dbg. This hotfix also includes the oob-fix. Please do not install the oob-fix after applying this fix. For more information on the oob-fix, please see the following article(s) in the Microsoft Knowledge Base: ARTICLE-ID: Q143478 TITLE : Stop 0A in TCPIP.SYS When Receiving Out Of Band (OOB) Data To see Japanese Document for this hotfix, please see http://www.microsoft.co.jp/products/ntupdate/nt4sp3/postsp3.htm