Hotfix installation instructions: ================================ This hotfix replaces the NtOskrnl.exe file in the \winnt\system32 directory. The hotfix utility can be used to install hotfixes, and to track hotfixes that are installed. Type "hotfix /?" for usage instructions. Download the hotfix and hotfix.exe for the required platform. The files are combined in a single zip file, hotfix.zip. Hotfix.ini and the readme are included as well. Ie: i386\hotfix.zip alpha\hotfix.zip ppc\hotfix.zip To install this hotfix, perform the following steps: 1. Place the hotfix along with hotfix.exe, hotfix.ini into a temporary directory. md \krnl-fix copy hotfix.zip \krnl-fix cd \krnl-fix pkunzip hotfix.zip 2. If the target computer is a multiprocessor system, then perform the following command in order to replace the uniprocessor version of the kernel with the multiprocessor version. This step must not be done if the target computer is a uniprocessor system. Cd \krnl-fix Copy \krnl-fix\NtKrnlmp.exe \krnl-fix\NtOsKrnl.exe 3. Use the hotfix command to install the hotfix. C:\krnl-fix>hotfix /install Hotfix Version v1.2 copyright (c) Microsoft Corporation. \\TESTMACHINE is Windows NT version 4.0, build 1381. Installing hotfix Q78303 NtOsKrnl Fix 4. After installation, type "hotfix" to verify that it was installed correctly. C:\krnl-fix>hotfix Hotfix Version v1.2 copyright (c) Microsoft Corporation. \\TESTMACHINE is Windows NT version 4.0, build 1381. Q78303 NtOsKrnl Fix was installed on Sep 24, 1996 at 11:12:03 by administrator. 5. Finally, reboot the system.