I have recently encountered the same issue. All of the sudden the game started to crash on ranked and public loading screen. Wildcard was alright. Once it did load okay, second time it did not. I have read numerous topics on this. It all started when my old GPU died and I got a new one from Intel, so thought this was a GPU or driver issue. It turned out it was not. It seems to be a problem on Kernel level Windows x EOS.
I do not fully understand this and what causes the crash, but it seems that when EOS tries to "book" a security relation, it conflicts with some Windows security relation it just shuts the game down and gives integrity error 0x8000001 in Windows event viewer 0xC0000022.
Based on all of the articles and other users error topics, I went and uninstalled the Intel graphics software, uninstalled the Armoury crate. Set the Steam to run as admin as well as stopped using the game launcher on desktop and started using the "r5apex_dx12" from the game folder run as admin too. Allowed all the apps (steam, launchers, all the EOS launchers I could possibly find in Windows folders) in the firewall in my Avast antivirus software.
Disabled "Delivery Optimization" this background Windows feature seems to use the same system Tracing Sessions as EAC. If they conflict over the session ID, Apex crashes
a) Go to Settings -> Windows Update -> Advanced options
b) Find Delivery Optimization and turn off Allow downloads from other PCs.
As the last resort I have tried flushing the DNS and IP - Command Prompt (cmd) run as admin
ipconfig /flushdns
ipconfig /registerdns
ipconfig /release
ipconfig /renew
netsh int ip reset
and restart the PC.
Possibly this could be a coincidence that past two days my game did not crash once, or some of this fixed the issue. It worths nothing( only few minutes of your time) trying this. I truly hope that some of this really did fix the issue and that it will not come back and haunt me... from what I understand this issue occured even on fresh install of all Apex, Windows and EOS, so complete wipe out solves nothing.