# The window terminated unexpected (reason:'cracked', code:'5 ')'

**URL:** <https://forum.cursor.com/t/the-window-terminated-unexpected-reason-cracked-code-5/71896>\
**Category:** Bug Reports\
**Created:** [March 28, 2025, 5:28pm UTC](https://forum.cursor.com/t/the-window-terminated-unexpected-reason-cracked-code-5/71896 "2025-03-28T17:28:54Z")\
**Posts on this page:** 1\
**Showing post:** 3

<div class="post-metadata">

**Author:** ![deanrie](https://sea3.discourse-cdn.com/cursor1/user_avatar/forum.cursor.com/deanrie/32/1263_2.png) [@deanrie](https://forum.cursor.com/u/deanrie)\
**Post date:** [March 31, 2025, 10:46am UTC](https://forum.cursor.com/t/the-window-terminated-unexpected-reason-cracked-code-5/71896/3 "2025-03-31T10:46:50Z")

</div>

Hey, also please check this:

> [@\[0.47.5\]The UI is very slow so that I can not work with it!](https://forum.cursor.com/t/0-47-5-the-ui-is-very-slow-so-that-i-can-not-work-with-it/64743/7):
>
> I think this issue is related to a large amount of chat history in your project. You can try renaming your project and opening it. If that helps, then the cause is clear. If your chat history is important to you, you can try exporting it using this extension:

---

_[View the full topic](https://forum.cursor.com/t/the-window-terminated-unexpected-reason-cracked-code-5/71896)._