# Issues with “open a dialog”

**URL:** <https://discourse.slicer.org/t/issues-with-open-a-dialog/43377>\
**Category:** Support\
**Created:** [June 17, 2025, 4:10am UTC](https://discourse.slicer.org/t/issues-with-open-a-dialog/43377 "2025-06-17T04:10:30Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![doc-xie](https://avatars.discourse-cdn.com/v4/letter/d/c77e96/32.png) [@doc-xie](https://discourse.slicer.org/u/doc-xie)\
**Post date:** [June 17, 2025, 4:10am UTC](https://discourse.slicer.org/t/issues-with-open-a-dialog/43377/1 "2025-06-17T04:10:31Z")

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Hi everyone,  
In the “DICOM patcher” or “Diffusion-weighted DICOM Import (DICOM2niixGUI)” of Slicer(version-4.11.0), after click the button “open a dialog”, there is no any response or any dialog windows appeared. Moreover, there is not any error information in the “log message”.  
The details are list in the attachement.  
How to fix the issues?  
Thans,

 ![截屏2025-06-17 11.45.29](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/3/e/3e9894922c41829793ec696164176d6710fb5580.png)  
 ![截屏2025-06-17 11.45.59](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/c/d/cd365014a4cd2715e50e72b9d19fc14749bcbc1e.png)  
 ![截屏2025-06-17 12.09.05](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/e/b/ebf2581db45952be9c14e73a4ba17231d9bccbda.png)

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<div class="post-metadata">

**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:** [June 17, 2025, 7:25am UTC](https://discourse.slicer.org/t/issues-with-open-a-dialog/43377/2 "2025-06-17T07:25:25Z")

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It reminds me of [BUG: avoid app freeze on mac · commontk/CTK@92988fe · GitHub](https://github.com/commontk/CTK/commit/92988fed9e620eb8161c60f915546229b8202565) which was quite a long time ago.

To try and fix the issue, please install latest Slicer stable 5.8.1 from [https://download.slicer.org/](https://download.slicer.org/). You are currently using a 4.11 version which is quite old and that has been numerous fixes and improvements since then.