# I can't install UE4. Error code: R-1638. I deleted Mincrosoft Visial C ++ 2015. I reinstalled the launcher. Nothing happens. Why?

**URL:** <https://forums.unrealengine.com/t/i-cant-install-ue4-error-code-r-1638-i-deleted-mincrosoft-visial-c-2015-i-reinstalled-the-launcher-nothing-happens-why/345802>\
**Category:** Platform & Builds\
**Tags:** unreal-engine, question\
**Created:** [January 29, 2016, 8:40pm UTC](https://forums.unrealengine.com/t/i-cant-install-ue4-error-code-r-1638-i-deleted-mincrosoft-visial-c-2015-i-reinstalled-the-launcher-nothing-happens-why/345802 "2016-01-29T20:40:45Z")\
**Posts on this page:** 1\
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**Author:** ![anonymous\_user\_ebb22d8c](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@anonymous\_user\_ebb22d8c](https://forums.unrealengine.com/u/anonymous_user_ebb22d8c)\
**Post date:** [February 15, 2016, 12:06am UTC](https://forums.unrealengine.com/t/i-cant-install-ue4-error-code-r-1638-i-deleted-mincrosoft-visial-c-2015-i-reinstalled-the-launcher-nothing-happens-why/345802/3 "2016-02-15T00:06:22Z")

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He uninstalled it because of these instructions:

> **[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 — https://unrealcommunity.wiki/! You will be able to find content from...

I am running into the same error.

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