Prepare for removal of third-party security software

If you want the Sophos installer to remove any previously installed security software, do the following:

• If computers are running another vendor's anti-virus software, ensure that its user interface is closed.
• If computers are running another vendor's firewall or HIPS product, ensure that it is turned off or configured to allow the Sophos installer to run.

If computers are running another vendor's update tool, you may want to remove it. See Remove third-party security software in Sophos Enterprise Console help.