With the introduction of the mini file filter driver, which is part of SafeGuard Enterprise as of version 8.10, Sophos provides regular File Encryption Engine updates that just contain improved filter drivers. These updates are provided as Windows Installer Patch files (*.msp) to allow an easy installation and deployment. As these updates are cumulative, Sophos recommends using the latest version.
In this KBA you can download build version 30 of the filter driver engine. An overview of all File Encryption Engine Updates is available here.
The following sections are covered:
Applies to the following Sophos products and versions SafeGuard File Encryption 8.1SafeGuard File Encryption 8.2SafeGuard Synchronized Encryption 8.1SafeGuard Synchronized Encryption 8.2SafeGuard Data Exchange 8.1SafeGuard Data Exchange 8.2SafeGuard Cloud Storage 8.1SafeGuard Cloud Storage 8.2
SYSTEM_SERVICE_EXCEPTION (Bugcheck 0x3b)
Bluescreen Bugcheck 0x3b (SYSTEM_SERVICE_EXCEPTION)
The installers for version 8.10.x can be obtained from this download link.
The installers for version 8.20.x can be obtained from this download link.
msiexec /update "C:\Install\File Encryption Engine for SGN 8.1 Build 30.msp"
msiexec /i C:\Install\SGNClient.msi PATCH="C:\Install\File Encryption Engine for SGN 8.1 Build 30.msp"
msiexec /update "C:\Install\File Encryption Engine for SGN 8.1 Build 30_x64.msp"
msiexec /i C:\Install\SGNClient_x64.msi PATCH="C:\Install\File Encryption Engine for SGN 8.1 Build 30_x64.msp"
After the installation, you can see the new File Encryption Engine in the Installed Updates section of Programs and Features.
As this package just contains new filter drivers and no other products components, this update does not change the version or build number of the installed SafeGuard Client. In the SafeGuard Management Center version 8.20, the file filter engine version of this update (220.127.116.11) is also listed in the installed features list of the Client.
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