I have 10.13.1 and Console repeats two messages every few split seconds:
Code:
default 08:08:02.825103 +0200 kernel Sandbox: secd(9248) deny(1) mach-lookup com.apple.lsd.modifydb
error 08:08:02.825259 +0200 secd LaunchServices: disconnect event (invalidation) received for service com.apple.lsd.modifydb
default 08:08:02.825558 +0200 kernel Sandbox: secd(9248) deny(1) mach-lookup com.apple.lsd.modifydb
error 08:08:02.825892 +0200 secd LaunchServices: disconnect event (invalidation) received for service com.apple.lsd.modifydb
default 08:08:02.826236 +0200 kernel Sandbox: secd(9248) deny(1) mach-lookup com.apple.lsd.modifydb
error 08:08:02.826406 +0200 secd LaunchServices: disconnect event (invalidation) received for service com.apple.lsd.modifydb