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Until two days ago, Xcode and simulators were working perfectly fine. I turned the computer off and some software updates got installed, including macOS Catalina). I am now unable to launch Simulator. It's for any device, it simply doesn't open the application. All I see is "simulator quit uenxpectedly"I've also noticed that Simulator and processors keep themselves alive no matter how many times I quit them or kill them from command line:com.apple.CoreSimulator.CoreSimulatorServiceSimulatorI found similar posts, but they are at least three years old and got a /DeviceTypes folder withing /Developer which I don't.I have tried different approaches, including:Deleting DerivedData folderDeleting /Library/Developer/Xcode folderUpdating Xcode to 11.1Usinng Xcode 10.3, where the command line tools are actually incompatible with Catalina OS.Reinstalling Xcode, restarting my machine at every step of the deletion and reinstallationDeleting CoreSimulator folderThe following commands in terminal: sudo killall -9 com.apple.CoreSimulator.CoreSimulatorService sudo killall -10 com.apple.CoreSimulator.CoreSimulatorService xcrun simctl erase all fastlane snapshot reset_simulatorsHere's a part of the crash report. I can provide the full logs if needed:Searched for the the exception types annd codes, and all I found was for real devices, not simulators.Any help is appreciated, as I am losing serious time with this issue.Process: Simulator [2411]Path: /Applications/Xcode.app/Contents/Developer/Applications/Simulator.app/Contents/MacOS/SimulatorIdentifier: com.apple.iphonesimulatorVersion: 11.1 (912.1)Build Info: Indigo-912001000000000~187Code Type: X86-64 (Native)Parent Process: ??? [1]Responsible: Simulator [2411]User ID: 501Date/Time: 2019-10-20 11:58:37.080 -0300OS Version: Mac OS X 10.15 (19A602)Report Version: 12Bridge OS Version: 3.0 (14Y906)Anonymous UUID: 22EA5B9E-426E-8952-358B-B710A2F7B37ESleep/Wake UUID: 1D8E834A-E0DC-4EFB-9E9F-591E94D88283Time Awake Since Boot: 13000 secondsSystem Integrity Protection: enabledCrashed Thread: 1 Dispatch queue: com.apple.root.user-interactive-qosException Type: EXC_BAD_ACCESS (SIGBUS)Exception Codes: KERN_PROTECTION_FAILURE at 0x00007000006a8fd8Exception Note: EXC_CORPSE_NOTIFYTermination Signal: Bus error: 10Termination Reason: Namespace SIGNAL, Code 0xaTerminating Process: exc handler [2411]VM Regions Near 0x7000006a8fd8: __LINKEDIT 000000010e9e0000-000000010ea17000 [ 220K] r--/r-- SM=COW /usr/lib/dyld--> STACK GUARD 00007000006a8000-00007000006a9000 [ 4K] ---/rwx SM=NUL stack guard for thread 1 Stack 00007000006a9000-000070000072b000 [ 520K] rw-/rwx SM=COW thread 1