This update is no longer available. To fix the issues that are described in this article, install the latest Microsoft Office update from the following Microsoft Docs article:
Microsoft has released update 15.0.4517.1504 for Microsoft Lync 2013. This update provides the latest fixes for the 32-bit and 64-bit editions of Lync 2013. This update contains stability and performance improvements. Additionally, this update fixes the following issue:
After you wake up the computer from hibernation mode, Lync 2013 becomes very slow and unusable.
Note To determine the version of Lync 2013 that is installed, follow these steps:
In Lync 2013, click the Options button.
Under the Help menu, click About Microsoft Lync.
This update also fixes the issues that are listed in the following previous Microsoft Knowledge Base articles:
2760512 Description of the Lync 2013 updates: February 2013
2760556 Description of the Lync 2013 update 15.0.4481.1000: March 2013
2768004 Description of the Lync 2013 update 15.0.4481.1004: May 2013
2817465 Description of the security update for Lync 2013: July 9, 2013