Would patching the libSystem.B.dylib fix this? Seems liek the file is crupted or the on the fly patching is not working

Process: lssave [4349]
Path: /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Support/lssave
Identifier: lssave
Version: ??? (???)
Code Type: X86 (Native)
Parent Process: coreservicesd [51]

Date/Time: 2011-04-14 02:00:53.607 -0500
OS Version: Mac OS X 10.6.7 (10J869)
Report Version: 6

Exception Type: EXC_BREAKPOINT (SIGTRAP)
Exception Codes: 0x0000000000000002, 0x0000000000000000
Crashed Thread: 0

Dyld Error Message:
Library not loaded: /usr/lib/libSystem.B.dylib
Referenced from: /System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Support/lssave
Reason: no suitable image found. Did find:
/usr/lib/libSystem.B.dylib: truncated fat file. file length=4022272, but needed slice goes to 4581264
/usr/lib/libSystem.B.dylib: truncated fat file. file length=4022272, but needed slice goes to 4581264