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v31patch.txt
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1997-07-15
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Patch for VirusScan for Windows 3.1x v3.1.0
Copyright 1994-1997 by McAfee, Inc.
All Rights Reserved.
Thank you for using McAfee's VirusScan for Windows 3.1x.
This file contains important information regarding the
patch it was included with. It is highly recommended that
you read the entire document.
___________________
WHAT'S IN THIS FILE
- Issue
- Resolution
- Installation
- Additional Information
______
ISSUES
1. When running VirusScan for Windows v3.1.0 with
Sound Blaster16 drivers, you may experience
difficulties accessing Windows upon rebooting the
system.
2. When VShield is password-protected and configured
for Centralized Alerting, .ALR files are not created.
__________
RESOLUTION
If such difficulties are encountered, use this patch
to remedy the issue. The patch resolves driver
incompatibility issues responsible for this error.
This patch replaces the MCFSHOOK.386 driver with
one that is compatible with Sound Blaster16 drivers.
This patch also replaces the VSHWIN.EXE file to resolve
the issue with VShield Centralized Alerting and password
protection. After running this patch on your Windows
3.1x system, these issues will be resolved and the
installed version of VirusScan will be upgraded
automatically to v3.1.0a.
____________
INSTALLATION
**NOTE**
This patch can be installed using either of the two options
below. You need only select one option to install the patch;
it is not necessary to use more than one option.
If you choose OPTION 2, you must unload Vshield
before running the SETUP.EXE file included in this patch.
For information on unloading VShield, see the VirusScan User's
Guide. If Vshield is not unloaded, issues may arise because a
file that is in use by Windows (VShield) is being overwritten
by the patch.
*OPTION 1*
1. Reboot the computer to DOS
2. Copy the following Windows 3.1x VirusScan files:
MCFSHOOK.386 (found in Windows 3.1x system directory)
VSHWIN.EXE (found in McAfee VirusScan (default:
C:\McAfee\Viruscan) directory)
to a temporary working directory such as C:\TEMP. This will
back up your current files.
3. Copy the following files from V31PATCH.ZIP:
MCFSHOOK.386 (copy to Windows 3.1x system directory)
VSHWIN.EXE (copy to McAfee VirusScan (default:
C:\McAfee\Viruscan) directory).
4. The computer will need to be restarted for the changes to
take effect.
*OPTION 2*
**NOTE**
Make a backup copy of the SYSTEM.INI file before completing
the steps below.
1. Edit the SYSTEM.INI file located in the Windows 3.1x
directory. You can do this by editing opening the file
with any text editor.
2. In the [386 Enh] section of the SYSTEM.INI file, type
REM in front of the line "device=VSBPD.386." The line
should resemble the following:
REM device=VSBPD.386
3. Save the new changes and exit the text editor.
4. Open a Windows session and run the SETUP.EXE file
included in V31PATCH.ZIP. You must restart the system
for the changes to take effect.
5. When the system has restarted, edit the SYSTEM.INI file
again. Remove the REM that was placed in front of
"device=VSBPD.386" in your SYSTEM.INI file.
6. Save changes and exit text editor.
______________________
ADDITIONAL INFORMATION
1. This patch only supports VirusScan 3.1x v3.1.0
and is not intended for use with versions 3.0.0
and 3.0.1.
2. Upon running this patch, the VShield TSR Awareness
feature will be disabled.