Resolved XCode 4.2.1 crash issues

hi guys. i've started having issues xcode crashing when developing ios apps. hasn't been result of update xcode or os x cannot recall have done cause problem.

whenever open storyboard file in ios project, error saying:
'interface builder cocoa touch tool quit unexpectedly'. (i'll attach full error logs @ end of post). same error pops if try build app well.

developing mac cocoa applications runs without hitch, no issue there.

looks missing several core frameworks ios sdk. when run command

code:

/developer/platforms/iphonesimulator.platform/developer/library/xcode/agents/interface\ builder\ cocoa\ touch\ tool

terminal error message

code:

dyld: library not loaded: /system/library/frameworks/coretext.framework/coretext    referenced from: /developer/platforms/iphonesimulator.platform/developer/library/xcode/agents/interface builder cocoa touch tool    reason: image not found  trace/bpt trap: 5

as standard quit unexpectedly pop up.

have tried:
- removing xcode using sudo /developer/library/uninstall-devtools –mode=all
- reinstalling xcode using file on developer.apple.com instead of app store.
- running command sudo update_dyld_shared_cache -force
- running os x 10.7.2 combo update file.
- manually searching , placing frameworks complains missing. working fine until complained 1 couldn't find.
- changing path include unix paths (not brew/macports/fink ones).

there way can fix missing frameworks without reinstalling os x.

i've done make start malfunction. thought c library (i.e. boost) i've installed brew/macports i've removed no avail.

logs
xcode internal error: http://pastebin.com/rv9lyyhn
xcode quit unexpectedly: http://pastebin.com/fe5rqnzt
interface builder cocoa touch tool quit unexpectedly: http://pastebin.com/srzh8vu1
console logs: http://pastebin.com/7ekvswgb

hope can help. if else has experienced issue , managed solve massively appreciate input. i'm sure reinstall of os x solve problem last resort.

many in advance,
ollie armstrong

 

i have no file at

/system/library/frameworks/coretext.framework/coretext

, if launch tool command show same error. ib works fine inside xcode. think red herring.

think problem more storyboard somehow corrupt. can build new 1 works?

 

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