Your log indicates the program started normally, it started the airport regeneration process, but couldn't complete it.
When the airport cache regeneration cannot be complete, it's likely due to one of your scenery files corrupted, but it might also be caused by the antivirus, blocking some of the files containing sceneries that needs to be scanned to create the airport cache.
Try to add to the antivirus exclusions the entire P3D folder, as well any other folder that contains sceneries, if it's outside the P3D folder.
Another thing you might try, remove this folder, when the sim is not running, of course.
C:\ProgramData\Virtuali