Outlook 2013 Folder Pane Disappears After Installing September 2013 Public Update

Shortly after publishing the September Public Update, we received notifications of a potential issue with Outlook 2013 after installing the non-security update KB2817630. Based on those reports we immediately removed the patch from Microsoft Update. If you haven’t already downloaded or installed the patch, you will not have these problems or be offered the problematic patch.

In contrast to what has been reported, MS13-068 is not the cause nor is it affected by this issue.

This blog post will describe the problem and explain how to fix it. It also reminds users what to do if a Patch Tuesday update causes issues.

We are very careful with Public Updates given their wide and rapid proliferation. We regret any inconvenience caused by this update, and we are hopeful that this information can help you restore productivity in Outlook products.

Outlook 2013 Folder Pane Disappears After Installing September 2013 Public Update - Office Sustained Engineering - Site Home - TechNet Blogs

A Guy

Puzzling when I came into work this morning. An end user was having this issue. The update sneaked on their system before MS had a chance to pull it.

Mystery solved.

Thanks for the fast reporting of issues coming down the pipe!