Duplicate object internet explorer unauthorized access blocked

After upgrading NIS12 to 19.5 I am seeing entries in history like this C:\Program Files\Internet explorer\I Explorers, Duplicate object Unauthorized access blocked . Severity- Medium. I am running IE9, windows 7 home premium on Intel core 2 duo 3GB ram PC. This entry comes overtime I start IE9 . Previous version 19.2 didn't have this entry.