There isn't currently a perfect fix for the FS_CheckAsyncRequest crash message in Apex Legends, but some players are finding success with fresh installs, validating files or switching to DX11.

If this doesn’t fix your issue, then try adding League of Legends as a Firewall exception and also repatch the game. If that also fails, reinstall League of Legends through the Hextech Repair Tool.

Restart your PC Open League of Legends again This should fix the problems you've been having as it will force LoL to reinstall Vanguard correctly, with the file paths in the right places.

According to Riot, League of Legends Error: 0xc0000005 is more of a Windows issue than a client-side problem. So even the developers are pretty stumped at coming up with a permanent way of dealing ...