Earlier today we re-released the following Rollup Updates. These updates address an issue in which digital signatures on files produced and signed by Microsoft will expire prematurely, as described...
Updated Jul 01, 2019
Version 2.0
Blog Post
You don't need to uninstall Update Rollup 4-v1 for Exchange Server 2010 Service Pack 2 in order to install Update Rollup 4-v2 for Exchange Server 2010 Service Pack 2.