There is an ssue with the application, which we will investigate. Regarding your other questions, you can find full details on the product page and the user guide; there is also a video tutorial.
You need one instance of the cBot running.
If you wish to re-open trades or manage closing and opening them again, you need to use the news manager API and integrate it into your trading system vis code; most ClickAlgo trading strategies already include the news manager feature.
Click here for details about downloading the news CSV file from MyFxBook; where you set your preferred timezone. The user guide will also explain how to set your PC or VPS time.