# Slicer fails to start on Windows with "api-ms-win-crt-runtime-l1-1-0.dll is missing" error popup

**URL:** <https://discourse.slicer.org/t/slicer-fails-to-start-on-windows-with-api-ms-win-crt-runtime-l1-1-0-dll-is-missing-error-popup/27939>\
**Category:** Support\
**Tags:** windows\
**Created:** [February 20, 2023, 10:17pm UTC](https://discourse.slicer.org/t/slicer-fails-to-start-on-windows-with-api-ms-win-crt-runtime-l1-1-0-dll-is-missing-error-popup/27939 "2023-02-20T22:17:54Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![jamesobutler](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jamesobutler/32/7511_2.png) [@jamesobutler](https://discourse.slicer.org/u/jamesobutler)\
**Post date:** [February 21, 2023, 12:41am UTC](https://discourse.slicer.org/t/slicer-fails-to-start-on-windows-with-api-ms-win-crt-runtime-l1-1-0-dll-is-missing-error-popup/27939/5 "2023-02-21T00:41:33Z")

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This thread details what appears to be the same issue

> [@Slicer 5.1.0 crashed on win7](https://discourse.slicer.org/t/slicer-5-1-0-crashed-on-win7/25340):
>
> api-ms-win-core-path-l1-1-0.dll error on startup. After installing the dll Slicer gives an error 0xc000007b… Help me with installation please

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_[View the full topic](https://discourse.slicer.org/t/slicer-fails-to-start-on-windows-with-api-ms-win-crt-runtime-l1-1-0-dll-is-missing-error-popup/27939)._