114723 2013-04-17 01:07:39 -0700 WebProcess: Couldn't initialize sandbox profile 2013-04-17 20:44:55 -0700 1 1 1 Unclassified WebKit WebKit2 528+ (Nightly build) Mac (Intel) OS X 10.8 RESOLVED DUPLICATE 114752 P2 Normal --- 1 benjamin webkit-unassigned ap oldest_to_newest 877063 0 benjamin 2013-04-17 01:07:39 -0700 When running trunk at home, I get the following error message on startup: WebProcess: Couldn't initialize sandbox profile [/Users/benjamin/opensource/WebKit.git/WebKitBuild/Release/WebKit2.framework/Resources/com.apple.WebProcess.sb], error 'line 1: unbound variable: // ' 877099 1 ap 2013-04-17 03:05:19 -0700 That's horrible. Can you check what's inside this file? Did it get a C++ comment somehow? 877360 2 benjamin 2013-04-17 10:31:18 -0700 Yes indeed: // Some platforms provide UI for suggesting autocorrection. // Some platforms use spelling and autocorrection markers to provide visual cue. // On such platform, if word with marker is edited, we need to remove the marker.(version 1) (deny default (with partial-symbolication)) (allow ipc-posix-shm system-audit system-socket file-read-metadata) Those strings are defined in Platform.h, I don't know how they ended up in here... 877683 3 benjamin 2013-04-17 20:44:55 -0700 *** This bug has been marked as a duplicate of bug 114752 ***