App store keeps crashing won't open at all

Question

Process:               App Store [474]Path:                  /Applications/App Store.app/Contents/MacOS/App StoreIdentifier:            com.apple.appstoreVersion:               2.1 (463.9)Build Info:            Commerce-463009000000000~2Code Type:             X86-64 (Native)Parent Process:        ??? [1]Responsible:           App Store [474]User ID:               501Date/Time:             2016-09-23 21:21:50.363 -0500OS Version:            Mac OS X 10.11.6 (15G1004)Report Version:        11Anonymous UUID:        778144E4-BE44-B2CB-F9C6-306CAE671F86Time Awake Since Boot: 760 secondsSystem Integrity Protection: enabledCrashed Thread:        0  Dispatch queue: com.apple.main-threadException Type:        EXC_CRASH (SIGABRT)Exception Codes:       0x0000000000000000, 0x0000000000000000Exception Note:        EXC_CORPSE_NOTIFYApplication Specific Information:Assertion failed: (0 &amp;&amp; "You have encountered &lt;rdar://problem/11260511&gt;. " "Please run the gather_files.sh command that&#x27;s attached to the radar:" "sudo gather_files.sh" "Then attach the following file to the radar:" "/tmp/crash_files.tz" "Thanks!"), function cvms_element_hack_check_for_zero_contents, file /Library/Caches/com.apple.xbs/Sources/CVMS/CVMS-119.5/coreVMClient.c, line 1051.

Carolyn Samit · Answer

/Library/Caches/com.apple.xbs/Sources/CVMS/CVMS-119.5/coreVMClient.c, line 1051.Hi,A Safe Mode boot deletes system caches that may help and only takes a few minutes.Follow these steps to start up into safe mode.Start or restart your Mac. Immediately after you hear the startup sound, press and hold the Shift key.Release the Shift key when you see the Apple logo appear on the screen.After the Apple logo appears, it might take longer than usual to reach the login screen or your desktop. This is because your Mac performs a directory check of your startup disk as part of safe mode.To leave safe mode, restart your computer without pressing any keys during startup.Then try the App Store.