# PackagingResults:Error: Error Unknown Cook Failure

**URL:** <https://forums.unrealengine.com/t/packagingresults-error-unknown-cook-failure/373592>\
**Category:** Blueprint\
**Tags:** Cooking, unreal-engine, crash, bug-report, UE4, Blueprint, question\
**Created:** [October 17, 2016, 3:56pm UTC](https://forums.unrealengine.com/t/packagingresults-error-unknown-cook-failure/373592 "2016-10-17T15:56:08Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![Sean\_Flint](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Sean\_Flint](https://forums.unrealengine.com/u/Sean_Flint)\
**Post date:** [October 26, 2016, 7:27pm UTC](https://forums.unrealengine.com/t/packagingresults-error-unknown-cook-failure/373592/5 "2016-10-26T19:27:48Z")

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Could you try grabbing the event viewer logs, as shown in the wiki linked below:

> **[A new, community-hosted Unreal Engine Wiki](https://forums.unrealengine.com/t/a-new-community-hosted-unreal-engine-wiki/141494)**
>
> After over a year in maintenance mode, the official Unreal Engine Wiki is now permanently offline. These resources now live on a new community-run Unreal Engine Community Wiki — ue4community.wiki! You will be able to find content from the official...

This seems to be a problem related to the OS, but it’s possible that something is interfering with UE4 so I’d like to see if you’re able to get logs from the event viewer.

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