# Error launching designer for windows

**URL:** <https://forum.inductiveautomation.com/t/error-launching-designer-for-windows/21128>\
**Category:** Ignition Early Access\
**Created:** [November 29, 2018, 12:19pm UTC](https://forum.inductiveautomation.com/t/error-launching-designer-for-windows/21128 "2018-11-29T12:19:47Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![cmallonee](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/cmallonee/32/6416_2.png) [@cmallonee](https://forum.inductiveautomation.com/u/cmallonee)\
**Post date:** [November 29, 2018, 3:22pm UTC](https://forum.inductiveautomation.com/t/error-launching-designer-for-windows/21128/2 "2018-11-29T15:22:14Z")

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We're already working on resolving this with another thread.

> [@ClassNotFoundException launching Designer](http://forum.inductiveautomation.com/t/classnotfoundexception-launching-designer/20908):
>
> I uninstalled the 7.9 version and did a fresh install of V8. I get following error on launching the designer

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_[View the full topic](https://forum.inductiveautomation.com/t/error-launching-designer-for-windows/21128)._