# Client Launch FileNotFoundException

**URL:** <https://forum.inductiveautomation.com/t/client-launch-filenotfoundexception/39397>\
**Category:** Ignition\
**Created:** [October 5, 2020, 11:52pm UTC](https://forum.inductiveautomation.com/t/client-launch-filenotfoundexception/39397 "2020-10-05T23:52:45Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![dion.botha](https://avatars.discourse-cdn.com/v4/letter/d/46a35a/32.png) [@dion.botha](https://forum.inductiveautomation.com/u/dion.botha)\
**Post date:** [October 5, 2020, 11:52pm UTC](https://forum.inductiveautomation.com/t/client-launch-filenotfoundexception/39397/1 "2020-10-05T23:52:45Z")

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Hello, one of my customers cannot open a client for a project I am working on for them.

An error box with the following details appears before the client opens:

 ![screenshot](https://us1.discourse-cdn.com/inductiveautomation/original/3X/1/8/180285c49844d4a6e2140fbc7c7df66b3efe0b91.png)

I tried deleting the app from the vision client launcher and re-adding but no change.

Any ideas?

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**Author:** ![bschroeder](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/bschroeder/32/13260_2.png) [@bschroeder](https://forum.inductiveautomation.com/u/bschroeder)\
**Post date:** [October 6, 2020, 12:47am UTC](https://forum.inductiveautomation.com/t/client-launch-filenotfoundexception/39397/2 "2020-10-06T00:47:59Z")

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Delete or move the .ignition folder to a different location. Re-run the client and see if it is still broken.