Jeremy, got the same problem with X11.bin-1.5.3-apple12. I have to go back to apple9. apple10 would cause a constant restart of X11 :-( does 10,11 or 12 not work with 2.3.3.2? here is the log for apple12 24.07.09 13:10:15 com.apple.launchd[190] ([0x0-0x3eb3eb].org.x.X11[28742]) Exited abnormally: Trace/BPT trap 24.07.09 13:10:37 ReportCrash[28753] Symbolication warning: Unable to locate CIE at 0x6a64132b = 0x00000008 - (0x959becd9 + 4) 24.07.09 13:10:37 ReportCrash[28753] Symbolication warning: error parsing FDE at 0x00199700 in: __TEXT [0x00000000 - 0x001d8000) __eh_frame [0x001996f8 - 0x001c9de0) /usr/libexec/oah/translate 24.07.09 13:10:37 [0x0-0x3ee3ee].org.x.X11[28760] dyld: Library not loaded: /Applications/Utilities/X11.app/Contents/Frameworks/Sparkle.framework/Versions/A/Sparkle 24.07.09 13:10:37 [0x0-0x3ee3ee].org.x.X11[28760] Referenced from: /Applications/Utilities/X11.app/Contents/MacOS/X11.bin 24.07.09 13:10:37 [0x0-0x3ee3ee].org.x.X11[28760] Reason: image not found 24.07.09 13:10:37 com.apple.launchd[190] ([0x0-0x3ee3ee].org.x.X11[28760]) Exited abnormally: Trace/BPT trap not sure if the "problem details" of the problem report for X11 helps you either Process: X11.bin [28742] Path: /Applications/Utilities/X11.app/Contents/MacOS/X11 Identifier: org.x.X11 Version: ??? (???) Build Info: X11server-480700~6 Code Type: PPC (Translated) Parent Process: launchd [190] Interval Since Last Report: 773229 sec Crashes Since Last Report: 4 Per-App Interval Since Last Report: 0 sec Per-App Crashes Since Last Report: 2 Date/Time: 2009-07-24 13:10:15.600 -0700 OS Version: Mac OS X 10.5.7 (9J61) Report Version: 6 Anonymous UUID: 84412089-D04F-4843-BD74-DF1699EE653E Exception Type: EXC_CRASH (SIGTRAP) Exception Codes: 0x0000000000000000, 0x0000000000000000 Crashed Thread: 0 Thread 0 Crashed: 0 ??? 0x8019d402 0 + 2149176322 1 translate 0xb80b6b00 0xb8000000 + 748288 2 translate 0xb80b7007 0xb8000000 + 749575 3 translate 0xb80d49c0 0xb8000000 + 870848 4 translate 0xb813ce79 spin_lock_wrapper + 1981 5 translate 0xb8011b64 0xb8000000 + 72548 Thread 1: 0 ??? 0x800bc286 0 + 2148254342 1 ??? 0x800c3a7c 0 + 2148285052 2 translate 0xb818b6ea CallPPCFunctionAtAddressInt + 202886 3 ??? 0x800ed155 0 + 2148454741 4 ??? 0x800ed012 0 + 2148454418 Thread 0 crashed with X86 Thread State (32-bit): eax: 0x00000000 ebx: 0xb80b6c78 ecx: 0xb7fff9ac edx: 0x8019d402 edi: 0xb8208980 esi: 0x00000005 ebp: 0xb7fff9d8 esp: 0xb7fff9ac ss: 0x0000001f efl: 0x00000246 eip: 0x8019d402 cs: 0x00000007 ds: 0x0000001f es: 0x0000001f fs: 0x00000000 gs: 0x00000037 cr2: 0x858ad5c8 Binary Images: 0xb8000000 - 0xb81d7fe7 translate ??? (???) /usr/libexec/oah/translate Translated Code Information: NO CRASH REPORT best christof