Closing multiple windows of one application with one click

Here, R Net Communication window opened multiple times. closing all windows on clicking on close buttons will kills your time.

Solution is:

1. Right click on task bar, and select task manager, switch to processes tab, find R Net Communication.exe, right click on it and select End Process. 
2. Now all opened windows of RNet closed. Same can be used for any other application windows to close them.

Thanks to A.ASHOK KUMAR, THE SPM,RAYAKUDURU 534247