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关于Xcode7 Beta报错 simulator runtime is not available.
Unable to open liblaunch_sim.dylib Try reinstalling Xcode or the simulator runtime.
解决办法
一、找到目标文件
/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk/usr/lib/system/host/liblaunch_sim.dylib
二、拷贝到目标地址一和目标地址二。
目标地址一
/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS 8.1.simruntime/Contents/Resources/RuntimeRoot/usr/lib/system/host/liblaunch_sim.dylib
目标地址二
/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS 8.2.simruntime/Contents/Resources/RuntimeRoot/usr/lib/system/host/liblaunch_sim.dylib
记得备份
成功运行模拟器
Unable to open liblaunch_sim.dylib. Try reinstalling Xcode or the simulator
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原文地址：http://www.cnblogs.com/songxing10000/p/4574236.html
