I get with the v switch:
C:\Windows\System32>fsutil bypassio state /v c:
BypassIo on "C:\Windows\System32" is not currently supported.
Status: 506 (At least one minifilter does not support I/O bypassing)
Driver: EasyAntiCheat_EOSSys
Cause: The specified minifilter does not support bypass IO...
Thank you.
I have added the entry to the registry but the game still crashes.
Apparently BypassIO was already deactivated due to Avira.
In fact, when checking the state of BypassIO I got before adding the registry entry:
C:\Windows\System32>fsutil bypassio state c:
BypassIo on...