# Simulation stops responding

**URL:** <https://get-help.theconstruct.ai/t/simulation-stops-responding/39883>\
**Category:** ROS2 Basics in 5 Days Humble (C++)\
**Tags:** bug\
**Created:** [February 5, 2026, 9:49am UTC](https://get-help.theconstruct.ai/t/simulation-stops-responding/39883 "2026-02-05T09:49:58Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![bayodesegun](https://get-help.theconstruct.ai/user_avatar/get-help.theconstruct.ai/bayodesegun/32/10684_2.png) [@bayodesegun](https://get-help.theconstruct.ai/u/bayodesegun)\
**Post date:** [February 5, 2026, 10:45am UTC](https://get-help.theconstruct.ai/t/simulation-stops-responding/39883/2 "2026-02-05T10:45:03Z")

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Hi @ricca2125  
I’m sorry you ran into this issue. Please take a look at the troubleshooting guide below to explore possible solutions:

- [How to fix an unresponsive simulation with red square dots in top-left corner](https://get-help.theconstruct.ai/t/how-to-fix-an-unresponsive-simulation-with-red-square-dots-in-top-left-corner/38962)

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_[View the full topic](https://get-help.theconstruct.ai/t/simulation-stops-responding/39883)._