I am also having the same issue but switching users doesn’t work for me. I am working with Skytech gaming to try and figure out the issue.
mine is happening with epic launcher
LoginId:9f7ad5cf42fe879864889889a4e8aeec
EpicAccountId:70de818a37b74d13b58ed7094bc60086
Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x0000004a00000044
ucrtbase
ucrtbase
ucrtbase
ucrtbase
EpicGamesLauncher
EpicGamesLauncher
EpicGamesLauncher
EpicGamesLauncher
EpicGamesLauncher
EpicGamesLauncher
kernel32
ntdll