Hotfix installation instructions: ================================ This hotfix replaces the files Atapi.sys and Atdisk.sys in the \Winnt\System32\Drivers folder. The hotfix utility can be used to install hotfixes, and to track hotfixes that are installed. Type "hotfix /?" for usage instructions. To install this hotfix, put the following files: hotfix.exe hotfix.ini atapi.sys atdisk.sys in the same (temporary) folder, and then type: hotfix /install After installation, type "hotfix" to verify that it was installed correctly. Finally, shut down and restart the computer. Sample operation is shown below: C:\ide-fix>hotfix /install Hotfix Version V1.4 copyright (c) Microsoft Corporation. \\MYCOMPUTER is Windows NT version 4.0, build 1381, No Service Pack Installing hotfix Q153296 C:\ide-Fix>hotfix Hotfix Version V1.4 copyright (c) Microsoft Corporation. \\MYCOMPUTER is Windows NT version 4.0, build 1381, No Service Pack Q153296 was installed on Jan 10, 1997 at 21:43:42 by administrator You must reboot the system for the Hotfixes to take effect.