# Error Prerequisites x64

**URL:** <https://forums.unrealengine.com/t/error-prerequisites-x64/345549>\
**Category:** Platform & Builds\
**Tags:** windows-7, windows-10, UE4-10, errors, unreal-engine, question\
**Created:** [January 27, 2016, 2:52pm UTC](https://forums.unrealengine.com/t/error-prerequisites-x64/345549 "2016-01-27T14:52:48Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![anonymous\_user\_2b03d27c](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@anonymous\_user\_2b03d27c](https://forums.unrealengine.com/u/anonymous_user_2b03d27c)\
**Post date:** [January 28, 2016, 5:49pm UTC](https://forums.unrealengine.com/t/error-prerequisites-x64/345549/6 "2016-01-28T17:49:09Z")

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There is a bug reported for the R-1603 error that is under investigation. For additional information, can you provide your launcher log files? The launcher logs can be generated by following the steps in the “Getting Debug Logs:” header here:

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Cheers

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