# Unable to start . don't understand

**URL:** <https://forum.comfy.org/t/unable-to-start-dont-understand/1235>\
**Category:** Custom Nodes\
**Created:** [January 27, 2025, 7:19pm UTC](https://forum.comfy.org/t/unable-to-start-dont-understand/1235 "2025-01-27T19:19:37Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Zulanya](https://avatars.discourse-cdn.com/v4/letter/z/a698b9/32.png) [@Zulanya](https://forum.comfy.org/u/Zulanya)\
**Post date:** [January 27, 2025, 7:19pm UTC](https://forum.comfy.org/t/unable-to-start-dont-understand/1235/1 "2025-01-27T19:19:37Z")

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Hi every one , I am having a problem to install ComfyUI.  
Even don’t understand why need to install Phyton environments ;( When installing ComfyUi  
Unable to start ComfyUI Desktop v0.4.13. came up this topic.  
Found no Nvida driver in your system? have to instull other program and try again all over?