Downloading documents from a SharePoint server may fail if there is an encryption rule set on the folder containing the temporary internet files.
Known to apply to the following Sophos product(s) and version(s)
All supported SafeGuard LAN Crypt Clients
Windows XP SP2/SP3 32bit
Windows Vista (Ultimate / Enterprise / Business) SP1/SP2 32bit
Windows 7 (Ultimate / Enterprise / Professional) 32bit
What To Do
We recommend that you do not set an encryption rule on the folder containing the temporary internet files.