Why when I clicked Run File the application showed error like this?

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Untitled
Untitled1359×717 55.2 KB

How can I solve this problem. Thank you.

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Hi @Nor_Norranun

I guess your FileName (input property) for notepad is wrong.
It should be "C:\Windows\System32\notepad.exe"

Furthermore, your selector seems to be too specific (title tag seems to be something like 'sss - Notepad').
You better replace it by: title='*Notepad'