Error 1921 on installation or update
When you have completed an installation or update of Sophos Anti-Virus, Sophos AutoUpdate attempts to reinstall itself. It may do this multiple times. Error 1921 is displayed.
View ArticleSophos Anti-Rootkit: Overview
Sophos Anti-Rootkit is a tool for removing rootkits, and cleaning up any malicious files.
View ArticleError message "Setup was unable to install the quarantine website"
The error message "Setup was unable to install the quarantine website." appears during PureMessage for Windows/Exchange installation. This can happen for a number of different reasons.
View ArticleSophos log files: overview
This article provides links to knowledgebase articles that give information about various log files.
View ArticlePureMessage for Microsoft Exchange: how to install on to Exchange 2007 Servers
You must read this article before installing on Exchange 2007 server or Windows Server 2008. Additional configuration as described here may be required.
View ArticleSophos Email Appliance: High number of spam, or false-positives, when using...
Sophos Email Appliance: High number of spam, or false-positives, when using an ISA mail publishing rule
View ArticleSophos Email Appliance: overview
This article provides an overview of the Sophos Email Appliance, and provides links to additional information.
View ArticleSophos for Microsoft SharePoint v 2.0: Known Issues
Links to Known Issues affecting Sophos for Microsoft SharePoint v. 2.0
View ArticleSophos Mobile Control 3.5: links to product information for Managed Service...
This article provides links to a range of Sophos Mobile Control (SMC) 3.5 product information, particularly useful to Managed Service Providers.
View ArticleHow to subscribe to a 'Preview' subscription with stand-alone Sophos...
If you need the 'Preview' version of Sophos Anti-Virus for Linux on standalone installations follow the process detailed here.
View ArticleSummary of port configurations in Sophos applications
This article is in the form of a table that lists ports used by Sophos applications.
View ArticleAurora Malware Removal Tool: How to install and run the tool
This article describes how to install and run the Sophos Cleanup Tool. It also lists the malware that this tool is designed to detect and remove.
View Article'Website blocked' popups are constantly appearing on web pages
'Website blocked' popups are constantly appearing on web pages which are not blocked
View ArticleDealing with Spear Phishing Campaigns
Spear phishing is the use of spoof emails to persuade people within a company to reveal their usernames and passwords. Forward all campaigns to: spearphish@labs.sophos.com
View Article'The following applications should be closed before continuing the install'...
A dialog box may appear after launching the Sophos for Microsoft SharePoint 2.0.1 installer when upgrading from a previous version
View ArticleBest Practice: Migrating from SafeGuard Easy 4.x to SafeGuard Enterprise
This article applies to a migration of SafeGuard Easy (SGE) from version 4.x to version 5.x and higher as well as to a migration of SafeGuard Device Encryption (SDE) from version 4.x to version 5.x and...
View ArticleSystem Requirements for Antivirus protection for Linux
System Requirements for Antivirus protection for Linux: Available in Endpoint Protection
View ArticleSafeGuard Enterprise 6.10 installation: Best Practice guide
SafeGuard Enterprise 6.10 installation: Best Practice guide
View ArticleSafeGuard Configuration Protection: Devices blocked although no policy was...
The Knowlede Base Article contains a new Baseline Policy that unlocks unknown devices which are blocked from Configuration Protection although no policy was assigned.
View Article80040404 'Threat detection data update failed.' displayed against an update...
This is a high-level error and may appear for many reasons.
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