# \[Error\] necessary prerequisites failed to install. Error Code R-2147943860

**URL:** <https://forums.unrealengine.com/t/error-necessary-prerequisites-failed-to-install-error-code-r-2147943860/344801>\
**Category:** Getting Started & Setup\
**Tags:** unreal-engine, question\
**Created:** [January 21, 2016, 11:56am UTC](https://forums.unrealengine.com/t/error-necessary-prerequisites-failed-to-install-error-code-r-2147943860/344801 "2016-01-21T11:56:33Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![knack](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@knack](https://forums.unrealengine.com/u/knack)\
**Post date:** [January 21, 2016, 11:59am UTC](https://forums.unrealengine.com/t/error-necessary-prerequisites-failed-to-install-error-code-r-2147943860/344801/2 "2016-01-21T11:59:09Z")

</div>

Check this guide.

> **[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...

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