Two products go by the name "LockDown Browser" (Web Assign LockDown Browser and Respondus LockDown Browser)
This document provides an overview of the two different LockDown Browsers.
Students calling with LockDown Browser issues might not necessarily be using the Respondus LockDown Browser licensed by the University. Some math classes, in particular STAT-107, use a product within WebAssign also called LockDown Browser. It's not the same as Respondus' LDB, so the directions we have for downloading and using it will not work.