9Antivirus

USING THE DAT PACKAGE INSTALLER (XDAT FILE)

1. Create a temporary directory on your hard disk.
2. Download the XDAT file to the temporary directory from our web site. For the location, see “Contacting McAfee Security & Network Associates”.
3. Double-click the XDAT file to start the update.
4. Follow the instructions in the wizard panels.
The installer then does the following:
- Unloads McAfee memory-resident software or stops services that use your current DAT files.
- Copies new DAT files to the appropriate program directories.
- Restarts the software components needed to continue scans with your new DAT files.
5. When the installer has finished updating your DAT files, you may delete the file you downloaded, unless you want to keep a copy available for further updates.

USING THE DAT ZIP OR DAT TAR FILE TO UPDATE VIRUSSCAN COMMAND LINE AND VIRUSSCAN FOR UNIX

1. Create a temporary directory on your hard disk.
2. Download the compressed DAT file to the temporary directory from our web site. See “Contacting McAfee Security & Network Associates” later in this file.
The name of the file is typically DAT-4316.ZIP or DAT-4316.tar, where 4316 is the DAT version number, such as 4321.
3. If your anti-virus software has a version of VShield running, enter VSHIELD /REMOVE at the command-line prompt.
4. Back up or rename the existing DAT files, which are in the program directory for your anti-virus software. See “List of Virus Definition Files” later in this file for a complete DAT file list.
5. Using WinZip, PKUnzip, or a similar utility, open the ZIP file and extract the new DAT files. You can save the extracted files directly to the program directory for your anti-virus software.
To extract DAT files stored in a tar file, use a compression utility that can read and extract tar files, or follow these steps from a UNIX command prompt:
1. Change to the directory into which you want to extract the new DAT files. This is the program directory for your anti-virus software, or a temporary directory from which you intend to copy the new files.
2. Enter this command at the command prompt:
tar xf /dat-4316.tar
Here, is the path to the tar file you downloaded. The tar utility will extract the DAT files into your current working directory.
NOTE: The syntax for the tar command might vary in different UNIX versions. Consult your manual pages or other product documentation for more details.
6. Copy the new DAT files to the program directory for the software you want to update. Allow the new files to replace the existing files.
7. If your anti-virus software includes a VShield component, enter VSHIELD, followed by the scanning options you want, at the command-line prompt.
NOTE: When you have finished using the compressed DAT file, you may delete it from your hard disk, unless you want to keep a copy for further updates.

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