# Unexpected error forces Slicer to shut-down

**URL:** <https://discourse.slicer.org/t/unexpected-error-forces-slicer-to-shut-down/7922>\
**Category:** Support\
**Created:** [August 7, 2019, 5:15pm UTC](https://discourse.slicer.org/t/unexpected-error-forces-slicer-to-shut-down/7922 "2019-08-07T17:15:55Z")\
**Posts on this page:** 1\
**Showing post:** 18

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**Author:** ![jamesobutler](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jamesobutler/32/7511_2.png) [@jamesobutler](https://discourse.slicer.org/u/jamesobutler)\
**Post date:** [August 13, 2019, 8:48pm UTC](https://discourse.slicer.org/t/unexpected-error-forces-slicer-to-shut-down/7922/18 "2019-08-13T20:48:22Z")

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@dfafalis This appears to be a similar issue that was discussed in the following thread:

> [@Segmentation effects crashing Slicer](https://discourse.slicer.org/t/segmentation-effects-crashing-slicer/7474):
>
> Hello, I’m using the preview version of Slicer to do a segmentation on a 2.6 GB micro-CT scan saved as a TIF. I can do a simple segmentation, but when I try to apply the mask or split volume effect, the Slicer application crashes. I’ve checked the error logs and there were no errors generated. I’m using a Windows machine with 32GB RAM and ~500GB free disk space. I also generated the following warnings when trying to use the islands effect: Slicer has caught an internal error. You may be abl…

This was solved by a recent fix to one of Slicer’s dependencies as detailed in the linked thread. If you are working with a large data set, please try a Slicer preview release ([https://download.slicer.org/](https://download.slicer.org/)) to see if this solves your problem.

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_[View the full topic](https://discourse.slicer.org/t/unexpected-error-forces-slicer-to-shut-down/7922)._