OpsMgr, SCE And MOM Blog : System Center Essentials post RTM Hotfix Rollup released to the Web
Does the hotfix rollup apply to you?
If you already have Essentials installed this hotfix rollup does not apply to you.
If you already have Essentials installed and you experience the symptoms referred to in KB936339 or KB937467 please refer to those KB articles on how to obtain the hotfixes separately so that you can apply them in your environment.