So, if you find that the Cache folder has an update in there (Usually 68Mb ) Navigate to: C:\Program Files\Sophos\Auto Update\cache\savxp and click Install Sophos Anti Virus, this will run you through a quick Win Installer and then update the program.You will probably have to reboot at this point, you can choose to reboot, usually I just log off ;) (As im sure most IT pro's do) Finally just re-enter the update credentials into the Sophos program and re-check for updates.The Uof R has licensed Sophos Antivirus for Windows 95/98/ME, Windows NT/2000/XP/2003/7/10, and OS X systems (10.6 and above) to be available for use on University owned equipment, including Evergreen machines, Evergreen opt-out equipment, machines purchased with APEA funds or any other Windows or Macintosh systems purchased with University funds.It is assumed that Sophos will continue to run on Windows systems prior to XP SP3 but this has not been tested.If you want to switch to using Sophos instead you should first uninstall the other product using the menu.
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Right-click on the Oxford Sophos Antivirus Installer screen and select Once complete you should have a file called on the desktop.
The Oxford Sophos Antivirus Installer window will display instructions together with an email address.
If the Oxford Sophos Antivirus Installer fails to install Sophos for Windows it will display a red shield and the message Install Failed. There can be a number of reasons why the installation fails but the most common reason is that you already have another antivirus software product installed such as a product from Norton, Mc Afee, AVG and others.
If you already have up to date antivirus software installed and protecting your computer then you don't need to install Sophos as well.