Skymax seems to cause a huge pause in xplane at start up, a few times xplane hasnt started. like this
0:05:57.847 I/ATC: Heading 0 6 0, vectors for the visual runway 30R, down to 4 thousand, 228 134.
0:06:00.174 G64: debug: MAXX: METAR dl complete: https://tgftp.nws.noaa.gov/data/observations/metar/cycles/08Z.TXT
0:06:00.174 G64: debug: MAXX: Writing METAR to: (G:/X-Plane 11 Beta/MAXX_METAR.rwx)
0:06:09.987 D/ATC: p=4 (N816NN): Fly Heading: 157
0:06:09.987 D/ATC: p=4 (N816NN): Maintain 3999ft
0:06:09.987 I/ATC: 737-800 6NN, Fly heading 1 5 0, vectors for the visual approach runway 30R, descend and maintain 4 thousand.
SkyMaxx Pro: Found new MAXX_METAR.rwx file of size 2889150
SkyMaxx Pro: Parsing METAR data
SkyMaxx Pro: METAR parsing took 130 ms.
Think thats with Skymax on always