LS1firebird95

I am starting to run into a major problem when data logging. While driving around the scanner stops logging and a small box appears which states that it is attempting to reconnect to interface and i assume counts 1, 2, 3, ect. ect. If I press stop and then hit the blue play button it says unable to connect to interface, and sometimes an error message about validation comes up. The only thing that corrects this is unpluging all the connections "usb to laptop, usb to mpvi pro interface and obd2 connection" not in any spacific order and plugging them back up. This is starting to become a huge problem. And it does it about every 30 secs and everytime under a hard acceleration. Any clues to what causes this, and a resolution. I have also noticed the stand alone data logger works fine when recording data logs. The problem only accured when the laptop is connected inside the car and logging.