# UI getting blocked after adding another thread using eventqueue.invokelater

**URL:** https://forum.universal-robots.com/t/ui-getting-blocked-after-adding-another-thread-using-eventqueue-invokelater/36658
**Category:** Java
**Created:** [October 24, 2024, 6:13am UTC](https://forum.universal-robots.com/t/ui-getting-blocked-after-adding-another-thread-using-eventqueue-invokelater/36658 "2024-10-24T06:13:31Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![theo-sebastian](https://avatars.discourse-cdn.com/v4/letter/t/8baadc/32.png) [@theo-sebastian](https://forum.universal-robots.com/u/theo-sebastian)
#### Post date: [October 24, 2024, 6:13am UTC](https://forum.universal-robots.com/t/ui-getting-blocked-after-adding-another-thread-using-eventqueue-invokelater/36658/1 "2024-10-24T06:13:31Z")

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![image](https://us1.discourse-cdn.com/flex020/uploads/universal_robots/original/2X/8/8a57b22e275346a47c11559c11c89e8c6dbbbdda.png)  
can i not use invokelater in 2 different threads?, or is my problem somewhere else?