prefix post reference : Why can not AcceptAlert for IE 10? - Katalon Studio - Katalon Community
As you answered,
I added it to IE Trusted sites and tried again,
but the same problem still exists.
And TC performance is so slow that it can not be applied to automation testing.
(Click, Focus Event may take at least 23 seconds or more to get out of time)
here, Test Environment Spec
OS : Windows 7 Professional K Service Pack 1
CPU : Intel I5-6300HQ @ 2.30Ghz
RAM : 8.00GB DDR4
IE Version : 10.0.9200.17609
Thx for reading