Hello,  I just wanted to share an issue that cropped up in case it helps someone else.  At some point in time, someone before my time enabled the Web Cache: HTTP content caching feature.  We certainly do not need it as we have a large Internet pipe.  It was causing an issue where we could not install our Sophos Anti-Virus program on any computers.  The application would just bomb out during the install.  My guess is maybe an old copy was cached and failing a checksum or something along those lines.  Either way, disabling this feature immediately solved the problem. ... View more