# The application "Katalon Studio" can't be opened after latest update **URL:** \ **Category:** Bug Report\ **Tags:** bugs-report, katalon-studio\ **Created:** [January 2, 2019, 7:34am UTC](https://forum.katalon.com/t/the-application-katalon-studio-cant-be-opened-after-latest-update/16164 "2019-01-02T07:34:21Z")\ **Posts on this page:** 9\ **Page:** 1
**Author:** ![kpsyllides](https://avatars.discourse-cdn.com/v4/letter/k/f1d935/32.png) [@kpsyllides](https://forum.katalon.com/u/kpsyllides)\ **Post date:** [January 2, 2019, 7:34am UTC](https://forum.katalon.com/t/the-application-katalon-studio-cant-be-opened-after-latest-update/16164/1 "2019-01-02T07:34:21Z")
After updating to the latest Katalon release, the following message appears when opening Katalon: The application “Katalon Studio” can’t be opened. OS: macOS ---
**Author:** ![Mate\_Mrse](https://dub1.discourse-cdn.com/katalon/user_avatar/forum.katalon.com/mate_mrse/32/345_2.png) [@Mate\_Mrse](https://forum.katalon.com/u/Mate_Mrse)\ **Post date:** [January 2, 2019, 8:10am UTC](https://forum.katalon.com/t/the-application-katalon-studio-cant-be-opened-after-latest-update/16164/2 "2019-01-02T08:10:36Z")
What is the latest version? Do you mean 5.10.1? ---
**Author:** ![Alice](https://dub1.discourse-cdn.com/katalon/user_avatar/forum.katalon.com/alice/32/472_2.png) [@Alice](https://forum.katalon.com/u/Alice)\ **Post date:** [January 2, 2019, 8:16am UTC](https://forum.katalon.com/t/the-application-katalon-studio-cant-be-opened-after-latest-update/16164/3 "2019-01-02T08:16:57Z")
Thanks for your feedback. Development team being fixed it. Sorry for this inconvenience, in meanwhile, please up-down version to use Katalon. @kpsyllides Big thanks again! ---
**Author:** ![Alice](https://dub1.discourse-cdn.com/katalon/user_avatar/forum.katalon.com/alice/32/472_2.png) [@Alice](https://forum.katalon.com/u/Alice)\ **Post date:** [January 2, 2019, 9:04am UTC](https://forum.katalon.com/t/the-application-katalon-studio-cant-be-opened-after-latest-update/16164/4 "2019-01-02T09:04:17Z")
This issue has been fixed, please grab to double check ---
**Author:** ![Brian\_Ducson](https://dub1.discourse-cdn.com/katalon/user_avatar/forum.katalon.com/brian_ducson/32/603_2.png) [@Brian\_Ducson](https://forum.katalon.com/u/Brian_Ducson)\ **Post date:** [January 2, 2019, 9:25am UTC](https://forum.katalon.com/t/the-application-katalon-studio-cant-be-opened-after-latest-update/16164/5 "2019-01-02T09:25:50Z")
You might need to download the new version if the upgrading version does not work. ---
**Author:** ![system](https://europe1.discourse-cdn.com/katalon/original/3X/d/5/d55596ab02785a255798e87ede769734747b30c4.svg) [@system](https://forum.katalon.com/u/system)\ **Post date:** [December 27, 2019, 4:20am UTC](https://forum.katalon.com/t/the-application-katalon-studio-cant-be-opened-after-latest-update/16164/6 "2019-12-27T04:20:05Z")
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**Author:** ![system](https://europe1.discourse-cdn.com/katalon/original/3X/d/5/d55596ab02785a255798e87ede769734747b30c4.svg) [@system](https://forum.katalon.com/u/system)\ **Post date:** [December 25, 2020, 3:13am UTC](https://forum.katalon.com/t/the-application-katalon-studio-cant-be-opened-after-latest-update/16164/7 "2020-12-25T03:13:58Z")
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**Author:** ![system](https://europe1.discourse-cdn.com/katalon/original/3X/d/5/d55596ab02785a255798e87ede769734747b30c4.svg) [@system](https://forum.katalon.com/u/system)\ **Post date:** [December 23, 2021, 11:48pm UTC](https://forum.katalon.com/t/the-application-katalon-studio-cant-be-opened-after-latest-update/16164/8 "2021-12-23T23:48:02Z")
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**Author:** ![kazurayam](https://dub1.discourse-cdn.com/katalon/user_avatar/forum.katalon.com/kazurayam/32/333_2.png) [@kazurayam](https://forum.katalon.com/u/kazurayam)\ **Post date:** [December 24, 2021, 12:35am UTC](https://forum.katalon.com/t/the-application-katalon-studio-cant-be-opened-after-latest-update/16164/9 "2021-12-24T00:35:15Z")
i closed this as is inactive