# Nightly build does not run

**URL:** <https://discourse.slicer.org/t/nightly-build-does-not-run/6774>\
**Category:** Support\
**Created:** [May 13, 2019, 11:38am UTC](https://discourse.slicer.org/t/nightly-build-does-not-run/6774 "2019-05-13T11:38:27Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![sheharyar\_anwar](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/sheharyar_anwar/32/3682_2.png) [@sheharyar\_anwar](https://discourse.slicer.org/u/sheharyar_anwar)\
**Post date:** [May 13, 2019, 11:38am UTC](https://discourse.slicer.org/t/nightly-build-does-not-run/6774/1 "2019-05-13T11:38:27Z")

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Operating system: Windows 10  
Slicer version: 4.10  
Expected behavior: Run successfully after build  
Actual behavior: Closes with error that certain .dll files are missing just after appearance of logo. Specifically mentions CTKWidgets.dll, CTKVisualizationVTKCore.dll, CTKQtTesting.dll was not found.

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**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [May 13, 2019, 11:47am UTC](https://discourse.slicer.org/t/nightly-build-does-not-run/6774/2 "2019-05-13T11:47:36Z")

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You need to start Slicer with Slicer.exe.

If you did that and you still get errors then it means that the DLLs are actually missing, most likely do to a build error. Check your build log.

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**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [May 14, 2019, 4:35pm UTC](https://discourse.slicer.org/t/nightly-build-does-not-run/6774/3 "2019-05-14T16:35:51Z")

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A post was split to a new topic: [Simple Filters module do not have any filters in latest nightly version](https://discourse.slicer.org/t/simple-filters-module-do-not-have-any-filters-in-latest-nightly-version/6787)

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**Author:** ![sheharyar\_anwar](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/sheharyar_anwar/32/3682_2.png) [@sheharyar\_anwar](https://discourse.slicer.org/u/sheharyar_anwar)\
**Post date:** [May 15, 2019, 12:32pm UTC](https://discourse.slicer.org/t/nightly-build-does-not-run/6774/4 "2019-05-15T12:32:09Z")

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It was a build error. The .dll files were actually missing. Rebuilding solved my problem.

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**Author:** ![Mihai\_Simion](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/mihai_simion/32/9561_2.png) [@Mihai\_Simion](https://discourse.slicer.org/u/Mihai_Simion)\
**Post date:** [January 16, 2021, 2:02am UTC](https://discourse.slicer.org/t/nightly-build-does-not-run/6774/5 "2021-01-16T02:02:50Z")

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[https://www.mitk.org/download/releases/MITK-2018.04.2/Windows/MITK-v2018.04.2-windows-x86\_64.exe](https://www.mitk.org/download/releases/MITK-2018.04.2/Windows/MITK-v2018.04.2-windows-x86_64.exe)  
CTKWidgets.dll is a dynamic link library file that is part of developed by **German Cancer Research Center (DKFZ)**.

- Name: **CTKWidgets.dll**
- Software: **MITK - Medical Imaging and Interaction Toolkit**
- Publisher: **German Cancer Research Center (DKFZ)**
- Publisher URL: **[[www.mitk.org](http://www.mitk.org)]([http://www.mitk.org/](http://www.mitk.org/))**
- Help file:
- Known to be up to **144.73 MB** in size on most Windows;

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<div class="post-metadata">

**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [January 16, 2021, 5:05am UTC](https://discourse.slicer.org/t/nightly-build-does-not-run/6774/6 "2021-01-16T05:05:04Z")

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This forum is for 3D Slicer. You may get help with MITK via their [mailing list](https://sourceforge.net/p/mitk/mailman/mitk-users).