As explained in the news item from Jan 13, below, the BOINC 4.13 core client contained a serious bug that has now been fixed

As explained in the news item from Jan 13, below, the BOINC 4.13 core client contained a serious bug that has now been fixed. Einstein@Home users: please upgrade to the BOINC 4.14 core client, which can be found halfway down this page. PLEASE UPGRADE THE BOINC CORE CLIENT TO VERSION 4.14. THIS WILL BECOME MANDATORY FOR EINSTEIN@HOME WITHIN A SHORT TIME.