Warning   Potential for Data Loss: The steps detailed in the resolution of this article may result in a loss of critical data if not performed properly. Before beginning these steps, make sure all important data is backed up in the event of data loss. If you are unsure or unfamiliar with any complex steps detailed in this article, please contact Product Support for assistance. Issue Download Service fails to start after an upgrade to v.4.2.251 Product Line Security Expert Environment Security Expert Server v4.2.251 Cause Miscrosoft Visual C++ 2013 Redistributible  (VC++ 2013 Redist v120) is not installed. This package is a pre-requisite to installing Security Expert v4.2.251. Resolution Locate the file on the Microsoft site https://www.microsoft.com/en-nz/download/details.aspx?id=40784. Download and install the 32 bit version (because Security Expert is a 32 bit application) before performing the upgrade.   ... View more