# Ignition not opening after deleting cache folder

**URL:** <https://forum.inductiveautomation.com/t/ignition-not-opening-after-deleting-cache-folder/100731>\
**Category:** Ignition\
**Tags:** ignition81, vision\
**Created:** [January 10, 2025, 3:43pm UTC](https://forum.inductiveautomation.com/t/ignition-not-opening-after-deleting-cache-folder/100731 "2025-01-10T15:43:31Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Muhammad\_Saim](https://avatars.discourse-cdn.com/v4/letter/m/7ab992/32.png) [@Muhammad\_Saim](https://forum.inductiveautomation.com/u/Muhammad_Saim)\
**Post date:** [January 10, 2025, 3:43pm UTC](https://forum.inductiveautomation.com/t/ignition-not-opening-after-deleting-cache-folder/100731/1 "2025-01-10T15:43:31Z")

</div>

Hello

I'm getting these two errors when launching projects through vision client launcher and I don't really know what to do to consistently fix the issue. Sometimes we have to delete the cache folder and the error still occurs.

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/3/b/3bd81ea8d45264a1375a758b49b18310e50864e0.png)  
 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/b/1/b1fd8c4768f5891f7373c1a4e8346324d100c920.png)

---

<div class="post-metadata">

**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Post date:** [January 10, 2025, 4:38pm UTC](https://forum.inductiveautomation.com/t/ignition-not-opening-after-deleting-cache-folder/100731/2 "2025-01-10T16:38:54Z")

</div>

That sort of this is usually an antivirus or firewall application silently delivering bogus content when Ignition is trying to retrieve its jars.