@kingsize thank you.
I think you're a pro and I'm just a newbie, I'm here trying to learn and I think I'm in the wrong place.
Is there anyone who can direct me to tutorials or forums where I can find my answer.
Thank you as same

Is there a way to install previous version somehow? Not sure if I have the installation on PC
Seems it might be false call, sorry :) i added 100ms sleep waiter before each thread "success action" and it works fine now. Probably threads finished too quick before and it caused the crash. now its all fine
@yourfriendkarol C:\YOUR_FOLDER\BrowserAutomationStudio\apps - there are a previous versions of BAS