There was no investigation and, Ukrainian officials said, no reason to investigate except for Trump’s illegal extortion.
You make claims about what is on the laptop. Feel free to provide evidence for those claims.
We don’t know whether the FSB agent who set up the meeting helped the Trump campaign or not … what we do know is that Trump, Jr,, Manafort, and Kushner, with Trump’s approval, took the meeting with the intention of colluding with Russian intelligence to help Trump get elected. BTW feel free to provide evidence that she met with Clinton.