when I try to start lightroom 6 it opens only the first window, but nothing happens more. closed ligthroom several times, restarted computer, updated running system, nothing. What can i do?, when I try to start lightroom 6 it opens only the first window,
Please make sure your Graphics card and Lightroom 6 are up to date.Latest version of Lightroom is 6.4.
Please refer Adobe Lightroom GPU Troubleshooting and FAQ and disable use of Graphics Processor in Lightroom.
What is your Operating system?