A recent update for Windows may cause Outlook to crash.
The update that causes this is
KB3097877 and it appears to be limited to only some Windows 7 installations when downloading online images for a HTML message. The version of Outlook that you are using doesn’t seem to matter and other applications may also be affected.
Microsoft is aware of the issue and investigating the issue. Depending on how many systems are affected, it may pull the update and release a fixed version or a completely new update for it.
When it comes to Outlook, it mainly appears to affect messages that download images from the Internet, so a workaround is to disable the exceptions for the option to automatically download images as shown below:
