It seems that step 2 of your package needs to be adapted. When manually calling uninstaller executables, be sure to add the parameter for silent uninstalls. Otherwise you might get a user interface on the target computer which is waiting for input. If you need help, could you post a screenshot or copy of the result command of your step 2 here.
Ok great. Regarding the KillProcess step (close Internet Explorer): Add 128 to the success codes of this step. This ensures that your deployment goes on even if the application to be closed wasn't currently running.
It seems that step 2 of your package needs to be adapted. When manually calling uninstaller executables, be sure to add the parameter for silent uninstalls. Otherwise you might get a user interface on the target computer which is waiting for input. If you need help, could you post a screenshot or copy of the result command of your step 2 here.
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