Error code 0xc0000005 on startup

Have you looked at the existing topics around that error ?. Hope you can find the solution in one of them:

In the User Support Hub :
https://forums.flightsimulator.com/search?q=0xc0000005%20%20in%3Atitle%20%20%23user-support-hub

In the Bug Reporting Hub :
https://forums.flightsimulator.com/search?q=0xc0000005%20%23bugs%20in%3Atitle%20status%3Aopen