# GUI Automation

**URL:** <https://community.automationedge.com/t/gui-automation/10288>\
**Category:** AutomationEdge UI\
**Tags:** ps\
**Created:** [July 28, 2023, 1:50pm UTC](https://community.automationedge.com/t/gui-automation/10288 "2023-07-28T13:50:47Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![BhaleraoNeha21](https://avatars.discourse-cdn.com/v4/letter/b/7ab992/32.png) [@BhaleraoNeha21](https://community.automationedge.com/u/BhaleraoNeha21)\
**Post date:** [July 28, 2023, 1:50pm UTC](https://community.automationedge.com/t/gui-automation/10288/1 "2023-07-28T13:50:47Z")

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What if we don’t check the checkbox of clear all browser instance in start browser plugin?

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<div class="post-metadata">

**Author:** ![aman.julka](https://avatars.discourse-cdn.com/v4/letter/a/3bc359/32.png) [@aman.julka](https://community.automationedge.com/u/aman.julka)\
**Post date:** [July 28, 2023, 1:53pm UTC](https://community.automationedge.com/t/gui-automation/10288/2 "2023-07-28T13:53:35Z")

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When a GUI Automation workflow is run fromProcess Studio the entire browser session does not close implicitly,  
Leavingthe browser open even when there is an error during development and browseris manually or abnormally terminated.  
Incase you manually terminate a browser the browser driver is still initializedand when you run the workflow the start step will give an error as thebrowser is already initialized.  
Similarly,in case Browser terminates abnormally then you need to clear browser driverinstance before you can start a new browser session.  
Enable Clear All Browser Instancescheckbox to Clear All Browser Instances before starting the browser.