We have received reports that the Windows Live Mail update- KB KB3093594, is causing stability issues for many of our customers running Windows Live Mail 2012.
Thank you for reporting this issue.
We have identified the root cause and are currently working on a fix that addresses the issue for impacted users on applicable platforms.
Please visit Update for Windows Live Essentials Mail 2012
or this thread for the latest updates.
***Update Dec 20^th^
Sorry for the delay in posting this update.
On Dec 17^th^we rereleased the Windows Live Mail update
KB3093594.
For users who had previously installed this update and were experiencing a crash when launching the Windows Live Mail app, please download and re-install
KB3093594
and this issue should be resolved.
https://support.microsoft.com/kb/3093594
Some users have independently reported a separate issue with sync of mail with attachments that we continue to investigate.
Update 1 February 2016
(posted as Issues 3 under Known issues ... for
KB3093594 rev. 6.0)
Some customers have reported other issues with the release on December 17, 2015.
This update is no longer being offered while Microsoft investigates these issues further. Server interactions will remain supported during this investigation.
NB: links to http://www.microsoft.com/en-us/download/details.aspx?id=49486 will not work 