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Unable to boot the simulator, cannot start the simulator has been resolved, unablesimulator

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Unable to boot the simulator, cannot start the simulator has been resolved, unablesimulator

Suddenly the simulator reports an error: unable to boot the simulator (cannot start the simulator)

I tried several solutions. I deleted all the simulators and restarted them before I added them. I deleted the certificates from the key string login and could not reinstall Xcode.

Finally, this method is used to solve the problem.

When the mac progress bar is restarted, press command + R To Go To The setting page, open the terminal in the utility in the upper left corner of the page, and enter csrutil disable and press Enter.

Click restart mac in the upper left corner.

Enter sudo chmod 0777/private/tmp and press Enter.

OK. The simulator can be started normally.

 

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