Ifpossible, try to disable UPnP on your router temporarily, then try to start and setup the game. On certain router models, UPnP on the router can cause LAN connectivity issues on Windows Vista and later. After playing, you can enable updateall drivers, windows, nvidia. delete docs files and reinstall the game. reset the pc with clean drive (twice) memtest and windows diagnostics (no errors found) Underclock the gpu. Change memory page file. other things I might have forgotten after 1 year of trying to solve this. QZSYs.