# Windows 8.1 installer error 2503 and 2502

**URL:** <https://forums.unrealengine.com/t/windows-8-1-installer-error-2503-and-2502/306769>\
**Category:** Getting Started & Setup\
**Tags:** error, launcher, unreal-engine, Installation, question\
**Created:** [February 12, 2015, 4:00pm UTC](https://forums.unrealengine.com/t/windows-8-1-installer-error-2503-and-2502/306769 "2015-02-12T16:00:16Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![TJ\_V](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/tj_v/32/1008648_2.png) [@TJ\_V](https://forums.unrealengine.com/u/TJ_V)\
**Post date:** [February 12, 2015, 4:30pm UTC](https://forums.unrealengine.com/t/windows-8-1-installer-error-2503-and-2502/306769/2 "2015-02-12T16:30:19Z")

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Hi J\_Van,

Try the troubleshooting steps in the ‘Unable to Install the Launcher’ section in the link below. Please with us if you’ve already tried some of them from the report that you linked above. Post back and let us know your results.

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