问题
Hi i facing strange issue with running Xcode5
latest release version Mountain Lion mac with 10.8.5
update.
From yesterday i can not run application in simulator. I got the Error Message while running app like.

I read some related issue in Stack Overflow and also doing this Following Step for fix this but still facing same issue.
I am trying to reset Content and setting simulator
Remove all Build from Derive data folder.
Restart mac system Many time after doing above two step.
From simulator Folder remove all Project Build

i Chinking this follow related question
Can't run app in simulator :: XCODE 5
Xcode 5 - "iOS Simulator failed to install application" every time I switch simulators
While i am trying to Run Project in simulator i got above Error and simulator contain Only Black Screen i can't see default Application or install Application.
For Testing i just create New single view project in Xcode5 and try to run also i got the same error. please guide me and help me to fixing this issue.
回答1:
After lost of search and reset everything in My issue just reset Content and setting simulator is not useful. Because i have not seen anything in simulator
. can't access Home screen so got No luck then Remove each Xcode
related file like:-
~/Library/Application Support/Xcode
~/Library/iPhone Simulator
~/application->move to trash Xcode
Clean and Empty Trash
Then i am going to again Install Xcode
from Appstore
and now lonching again and run the Test app that working Fine now.
来源:https://stackoverflow.com/questions/19063621/xcode5-facing-strange-issue-with-testing-app-ios-simulator-failed-to-install-the