Brave browser crashes on launch (close unexpectedly)

Description of the issue: brave browser always crashes on launch on macOS, after months of correct function. after reinstallation still crashes on launch.

Additional Information:

Crash report (not complete for character limitation on topic):

Process: Brave Browser [5997]
Path: /Applications/Brave Browser.app/Contents/MacOS/Brave Browser
Identifier: com.brave.Browser
Version: 92.1.28.105 (128.105)
Code Type: X86-64 (Native)
Parent Process: ??? [1]
Responsible: Brave Browser [5997]
User ID: 501

Date/Time: 2021-08-16 15:47:34.677 +0100
OS Version: Mac OS X 10.13.6 (17G14042)
Report Version: 12
Anonymous UUID: 8CF375E2-DC74-A3C0-A811-1E697BD910DE

Sleep/Wake UUID: CDA4AF44-9CEC-40C0-8CD7-666DF268DC7A

Time Awake Since Boot: 12000 seconds
Time Since Wake: 3800 seconds

System Integrity Protection: enabled

Crashed Thread: 7 ThreadPoolForegroundWorker

Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_MEMORY_ERROR at 0x000000012194f000

VM Regions Near 0x12194f000:
shared memory 0000000120f37000-0000000120f98000 [ 388K] rw-/rw- SM=SHM
→ mapped file 0000000120f98000-0000000121a38000 [ 10.6M] r–/rw- SM=S/A /Users/USER/Library/Application Support/BraveSoftware/*
STACK GUARD 00007000065f8000-00007000065f9000 [ 4K] —/rwx SM=NUL stack guard for thread 14

Thread 0:: CrBrowserMain Dispatch queue: com.apple.main-thread
0 libbrave_rust.dylib 0x000000010f764af0 std::ffi::c_str::CStr::from_ptr::h440d55d511c20c14 + 0
1 libbrave_rust.dylib 0x000000010f598dc5 engine_create + 21
2 libbrave_rust.dylib 0x000000010f190265 adblock::Engine::Engine() + 21
3 com.brave.Browser.framework 0x000000011891ca6e ChromeMain + 124745150
4 com.brave.Browser.framework 0x0000000118922fa2 ChromeMain + 124771058
5 com.brave.Browser.framework 0x0000000114d66edf ChromeMain + 62134831
6 com.brave.Browser.framework 0x0000000114d76dba ChromeMain + 62200074
7 com.brave.Browser.framework 0x00000001167d530e ChromeMain + 89849438
8 com.brave.Browser.framework 0x00000001167d4a0c ChromeMain + 89847132
9 com.brave.Browser.framework 0x0000000117b10268 ChromeMain + 110013880
10 com.brave.Browser.framework 0x0000000114cde126 ChromeMain + 61574262
11 com.brave.Browser.framework 0x0000000114cdb3e4 ChromeMain + 61562676
12 com.brave.Browser.framework 0x0000000113539179 ChromeMain + 36781257
13 com.brave.Browser.framework 0x0000000114cda23b ChromeMain + 61558155
14 com.brave.Browser.framework 0x0000000114ce8623 ChromeMain + 61616499
15 com.brave.Browser.framework 0x0000000114ce7629 ChromeMain + 61612409
16 com.brave.Browser.framework 0x00000001183dc2c9 ChromeMain + 119238169
17 com.brave.Browser.framework 0x0000000114b25669 ChromeMain + 59769273
18 com.brave.Browser.framework 0x0000000114b246e4 ChromeMain + 59765300
19 com.brave.Browser.framework 0x0000000114b242f4 ChromeMain + 59764292
20 com.brave.Browser.framework 0x000000011244975f ChromeMain + 19022511
21 com.brave.Browser.framework 0x000000011292a943 ChromeMain + 24138899
22 com.brave.Browser.framework 0x00000001124493d8 ChromeMain + 19021608
23 com.brave.Browser.framework 0x000000011244b8a8 ChromeMain + 19031032
24 com.brave.Browser.framework 0x0000000112447deb ChromeMain + 19015995
25 com.brave.Browser.framework 0x0000000114a70d00 ChromeMain + 59029584
26 com.brave.Browser.framework 0x0000000114a708ac ChromeMain + 59028476
27 com.brave.Browser.framework 0x0000000114a6fb3f ChromeMain + 59025039
28 com.brave.Browser.framework 0x0000000114a6fc1d ChromeMain + 59025261
29 com.brave.Browser.framework 0x00000001112255c5 ChromeMain + 277
30 com.brave.Browser 0x000000010f145f4f main + 287
31 libdyld.dylib 0x00007fff50f88015 start + 1

Thread 1:: StackSamplingProfiler
0 libsystem_kernel.dylib 0x00007fff510cf1fa mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00007fff510ce714 mach_msg + 60
2 com.brave.Browser.framework 0x00000001150f84a3 ChromeMain + 65875955
3 com.brave.Browser.framework 0x000000011504e961 ChromeMain + 65180849
4 com.brave.Browser.framework 0x00000001150ae450 ChromeMain + 65572768
5 com.brave.Browser.framework 0x000000011507939b ChromeMain + 65355499
6 com.brave.Browser.framework 0x00000001150c9ca8 ChromeMain + 65685496
7 com.brave.Browser.framework 0x00000001150c9e38 ChromeMain + 65685896
8 com.brave.Browser.framework 0x00000001150e8e28 ChromeMain + 65812856
9 libsystem_pthread.dylib 0x00007fff512a0661 _pthread_body + 340
10 libsystem_pthread.dylib 0x00007fff512a050d _pthread_start + 377
11 libsystem_pthread.dylib 0x00007fff5129fbf9 thread_start + 13

Thread 2:
0 libsystem_kernel.dylib 0x00007fff510cf1fa mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00007fff510ce714 mach_msg + 60
2 com.brave.Browser.framework 0x000000011671f3a2 ChromeMain + 89104114
3 com.brave.Browser.framework 0x000000011671f629 ChromeMain + 89104761
4 com.brave.Browser.framework 0x0000000116715dc8 ChromeMain + 89065752
5 libsystem_pthread.dylib 0x00007fff512a0661 _pthread_body + 340
6 libsystem_pthread.dylib 0x00007fff512a050d _pthread_start + 377
7 libsystem_pthread.dylib 0x00007fff5129fbf9 thread_start + 13

Thread 3:
0 libsystem_kernel.dylib 0x00007fff510d928a __workq_kernreturn + 10
1 libsystem_pthread.dylib 0x00007fff512a0009 _pthread_wqthread + 1035
2 libsystem_pthread.dylib 0x00007fff5129fbe9 start_wqthread + 13

Thread 4:
0 libsystem_pthread.dylib 0x00007fff5129fbdc start_wqthread + 0
1 ??? 0x0000da0b00000000 0 + 239740779495424

Thread 5:: HangWatcher
0 libsystem_kernel.dylib 0x00007fff510cf1fa mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00007fff510ce714 mach_msg + 60
2 com.brave.Browser.framework 0x00000001150f84a3 ChromeMain + 65875955
3 com.brave.Browser.framework 0x00000001150c4be9 ChromeMain + 65664825
4 com.brave.Browser.framework 0x00000001150c4d82 ChromeMain + 65665234
5 com.brave.Browser.framework 0x00000001150e8e28 ChromeMain + 65812856
6 libsystem_pthread.dylib 0x00007fff512a0661 _pthread_body + 340
7 libsystem_pthread.dylib 0x00007fff512a050d _pthread_start + 377
8 libsystem_pthread.dylib 0x00007fff5129fbf9 thread_start + 13

Thread 6:: ThreadPoolServiceThread
0 libsystem_kernel.dylib 0x00007fff510d9c02 kevent64 + 10
1 com.brave.Browser.framework 0x000000011511563a ChromeMain + 65995146
2 com.brave.Browser.framework 0x0000000115115514 ChromeMain + 65994852
3 com.brave.Browser.framework 0x00000001150ae450 ChromeMain + 65572768
4 com.brave.Browser.framework 0x000000011507939b ChromeMain + 65355499
5 com.brave.Browser.framework 0x00000001150c9ca8 ChromeMain + 65685496
6 com.brave.Browser.framework 0x00000001150b7a4d ChromeMain + 65611165
7 com.brave.Browser.framework 0x00000001150c9e38 ChromeMain + 65685896
8 com.brave.Browser.framework 0x00000001150e8e28 ChromeMain + 65812856
9 libsystem_pthread.dylib 0x00007fff512a0661 _pthread_body + 340
10 libsystem_pthread.dylib 0x00007fff512a050d _pthread_start + 377
11 libsystem_pthread.dylib 0x00007fff5129fbf9 thread_start + 13

Thread 7 Crashed:: ThreadPoolForegroundWorker
0 com.brave.Browser.framework 0x0000000116c04488 ChromeMain + 94236632
1 com.brave.Browser.framework 0x0000000116c253da ChromeMain + 94371626
2 com.brave.Browser.framework 0x0000000116c266eb ChromeMain + 94376507
3 com.brave.Browser.framework 0x0000000116c0fc7d ChromeMain + 94283725
4 com.brave.Browser.framework 0x0000000116be8553 ChromeMain + 94122147
5 com.brave.Browser.framework 0x0000000116bd3f75 ChromeMain + 94038725
6 com.brave.Browser.framework 0x0000000116bd21b8 ChromeMain + 94031112
7 com.brave.Browser.framework 0x0000000117228664 ChromeMain + 100676020
8 com.brave.Browser.framework 0x0000000117208837 ChromeMain + 100545415
9 com.brave.Browser.framework 0x0000000117208452 ChromeMain + 100544418
10 com.brave.Browser.framework 0x00000001150997a3 ChromeMain + 65487603
11 com.brave.Browser.framework 0x00000001150b9257 ChromeMain + 65617319
12 com.brave.Browser.framework 0x00000001150b8cfc ChromeMain + 65615948
13 com.brave.Browser.framework 0x00000001150e88c8 ChromeMain + 65811480
14 com.brave.Browser.framework 0x00000001150b8976 ChromeMain + 65615046
15 com.brave.Browser.framework 0x00000001150c0e5a ChromeMain + 65649066
16 com.brave.Browser.framework 0x00000001150c0b3d ChromeMain + 65648269
17 com.brave.Browser.framework 0x00000001150e8e28 ChromeMain + 65812856
18 libsystem_pthread.dylib 0x00007fff512a0661 _pthread_body + 340
19 libsystem_pthread.dylib 0x00007fff512a050d _pthread_start + 377
20 libsystem_pthread.dylib 0x00007fff5129fbf9 thread_start + 13

Thread 8:: ThreadPoolBackgroundWorker
0 libsystem_kernel.dylib 0x00007fff510cf1fa mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00007fff510ce714 mach_msg + 60
2 com.brave.Browser.framework 0x00000001150f84a3 ChromeMain + 65875955
3 com.brave.Browser.framework 0x00000001150c059f ChromeMain + 65646831
4 com.brave.Browser.framework 0x00000001150c0f53 ChromeMain + 65649315
5 com.brave.Browser.framework 0x00000001150c0aad ChromeMain + 65648125
6 com.brave.Browser.framework 0x00000001150e8e28 ChromeMain + 65812856
7 libsystem_pthread.dylib 0x00007fff512a0661 _pthread_body + 340
8 libsystem_pthread.dylib 0x00007fff512a050d _pthread_start + 377
9 libsystem_pthread.dylib 0x00007fff5129fbf9 thread_start + 13

Thread 9:: ThreadPoolForegroundWorker
0 libsystem_kernel.dylib 0x00007fff510cf1fa mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00007fff510ce714 mach_msg + 60
2 com.brave.Browser.framework 0x00000001150f84a3 ChromeMain + 65875955
3 com.brave.Browser.framework 0x00000001150c059f ChromeMain + 65646831
4 com.brave.Browser.framework 0x00000001150c0f53 ChromeMain + 65649315
5 com.brave.Browser.framework 0x00000001150c0b3d ChromeMain + 65648269
6 com.brave.Browser.framework 0x00000001150e8e28 ChromeMain + 65812856
7 libsystem_pthread.dylib 0x00007fff512a0661 _pthread_body + 340
8 libsystem_pthread.dylib 0x00007fff512a050d _pthread_start + 377
9 libsystem_pthread.dylib 0x00007fff5129fbf9 thread_start + 13

Thread 10:: ThreadPoolBackgroundWorker
0 libsystem_kernel.dylib 0x00007fff510cf1fa mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00007fff510ce714 mach_msg + 60
2 com.brave.Browser.framework 0x00000001150f84a3 ChromeMain + 65875955
3 com.brave.Browser.framework 0x00000001150c059f ChromeMain + 65646831
4 com.brave.Browser.framework 0x00000001150c0f53 ChromeMain + 65649315
5 com.brave.Browser.framework 0x00000001150c0aad ChromeMain + 65648125
6 com.brave.Browser.framework 0x00000001150e8e28 ChromeMain + 65812856
7 libsystem_pthread.dylib 0x00007fff512a0661 _pthread_body + 340
8 libsystem_pthread.dylib 0x00007fff512a050d _pthread_start + 377
9 libsystem_pthread.dylib 0x00007fff5129fbf9 thread_start + 13

Thread 11:: Chrome_IOThread
0 libsystem_kernel.dylib 0x00007fff510d9c02 kevent64 + 10
1 com.brave.Browser.framework 0x000000011511563a ChromeMain + 65995146
2 com.brave.Browser.framework 0x0000000115115514 ChromeMain + 65994852
3 com.brave.Browser.framework 0x00000001150ae450 ChromeMain + 65572768
4 com.brave.Browser.framework 0x000000011507939b ChromeMain + 65355499
5 com.brave.Browser.framework 0x00000001150c9ca8 ChromeMain + 65685496
6 com.brave.Browser.framework 0x000000011244d010 ChromeMain + 19037024
7 com.brave.Browser.framework 0x00000001150c9e38 ChromeMain + 65685896
8 com.brave.Browser.framework 0x00000001150e8e28 ChromeMain + 65812856
9 libsystem_pthread.dylib 0x00007fff512a0661 _pthread_body + 340
10 libsystem_pthread.dylib 0x00007fff512a050d _pthread_start + 377
11 libsystem_pthread.dylib 0x00007fff5129fbf9 thread_start + 13

Thread 12:: MemoryInfra
0 libsystem_kernel.dylib 0x00007fff510cf1fa mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00007fff510ce714 mach_msg + 60
2 com.brave.Browser.framework 0x00000001150f84a3 ChromeMain + 65875955
3 com.brave.Browser.framework 0x00000001150f827f ChromeMain + 65875407
4 com.brave.Browser.framework 0x000000011504e9e1 ChromeMain + 65180977
5 com.brave.Browser.framework 0x00000001150ae450 ChromeMain + 65572768
6 com.brave.Browser.framework 0x000000011507939b ChromeMain + 65355499
7 com.brave.Browser.framework 0x00000001150c9ca8 ChromeMain + 65685496
8 com.brave.Browser.framework 0x00000001150c9e38 ChromeMain + 65685896
9 com.brave.Browser.framework 0x00000001150e8e28 ChromeMain + 65812856
10 libsystem_pthread.dylib 0x00007fff512a0661 _pthread_body + 340
11 libsystem_pthread.dylib 0x00007fff512a050d _pthread_start + 377
12 libsystem_pthread.dylib 0x00007fff5129fbf9 thread_start + 13

Thread 13:: NetworkConfigWatcher
0 libsystem_kernel.dylib 0x00007fff510cf1fa mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00007fff510ce714 mach_msg + 60
2 com.apple.CoreFoundation 0x00007fff28f27dc5 __CFRunLoopServiceMachPort + 341
3 com.apple.CoreFoundation 0x00007fff28f27117 __CFRunLoopRun + 1783
4 com.apple.CoreFoundation 0x00007fff28f26787 CFRunLoopRunSpecific + 487
5 com.apple.Foundation 0x00007fff2b042706 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 277
6 com.brave.Browser.framework 0x00000001150f225e ChromeMain + 65850798
7 com.brave.Browser.framework 0x00000001150f12c3 ChromeMain + 65846803
8 com.brave.Browser.framework 0x00000001150ae450 ChromeMain + 65572768
9 com.brave.Browser.framework 0x000000011507939b ChromeMain + 65355499
10 com.brave.Browser.framework 0x00000001150c9ca8 ChromeMain + 65685496
11 com.brave.Browser.framework 0x00000001150c9e38 ChromeMain + 65685896
12 com.brave.Browser.framework 0x00000001150e8e28 ChromeMain + 65812856
13 libsystem_pthread.dylib 0x00007fff512a0661 _pthread_body + 340
14 libsystem_pthread.dylib 0x00007fff512a050d _pthread_start + 377
15 libsystem_pthread.dylib 0x00007fff5129fbf9 thread_start + 13

Thread 14:: CrShutdownDetector
0 libsystem_kernel.dylib 0x00007fff510da142 read + 10
1 com.brave.Browser.framework 0x00000001136351cf ChromeMain + 37813535
2 com.brave.Browser.framework 0x00000001150e8e28 ChromeMain + 65812856
3 libsystem_pthread.dylib 0x00007fff512a0661 _pthread_body + 340
4 libsystem_pthread.dylib 0x00007fff512a050d _pthread_start + 377
5 libsystem_pthread.dylib 0x00007fff5129fbf9 thread_start + 13

Thread 15:: NetworkConfigWatcher
0 libsystem_kernel.dylib 0x00007fff510cf1fa mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00007fff510ce714 mach_msg + 60
2 com.apple.CoreFoundation 0x00007fff28f27dc5 __CFRunLoopServiceMachPort + 341
3 com.apple.CoreFoundation 0x00007fff28f27117 __CFRunLoopRun + 1783
4 com.apple.CoreFoundation 0x00007fff28f26787 CFRunLoopRunSpecific + 487
5 com.apple.Foundation 0x00007fff2b042706 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 277
6 com.brave.Browser.framework 0x00000001150f225e ChromeMain + 65850798
7 com.brave.Browser.framework 0x00000001150f12c3 ChromeMain + 65846803
8 com.brave.Browser.framework 0x00000001150ae450 ChromeMain + 65572768
9 com.brave.Browser.framework 0x000000011507939b ChromeMain + 65355499
10 com.brave.Browser.framework 0x00000001150c9ca8 ChromeMain + 65685496
11 com.brave.Browser.framework 0x00000001150c9e38 ChromeMain + 65685896
12 com.brave.Browser.framework 0x00000001150e8e28 ChromeMain + 65812856
13 libsystem_pthread.dylib 0x00007fff512a0661 _pthread_body + 340
14 libsystem_pthread.dylib 0x00007fff512a050d _pthread_start + 377
15 libsystem_pthread.dylib 0x00007fff5129fbf9 thread_start + 13

Thread 16:: ThreadPoolForegroundWorker
0 libsystem_kernel.dylib 0x00007fff510cf1fa mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00007fff510ce714 mach_msg + 60
2 com.brave.Browser.framework 0x00000001150f84a3 ChromeMain + 65875955
3 com.brave.Browser.framework 0x00000001150c059f ChromeMain + 65646831
4 com.brave.Browser.framework 0x00000001150c0f53 ChromeMain + 65649315
5 com.brave.Browser.framework 0x00000001150c0b3d ChromeMain + 65648269
6 com.brave.Browser.framework 0x00000001150e8e28 ChromeMain + 65812856
7 libsystem_pthread.dylib 0x00007fff512a0661 _pthread_body + 340
8 libsystem_pthread.dylib 0x00007fff512a050d _pthread_start + 377
9 libsystem_pthread.dylib 0x00007fff5129fbf9 thread_start + 13

pedroteu,

When providing an Apple Operating System Crash Report, you [usually, and] only need to provide the lines down thru the Exceptions.

Taking a look, I found that your Apple Mac OS Crash Report points to:

Identifier: com.brave.Browse [the Brave Browser]
Crashed Thread: 7 ThreadPoolForegroundWorker
Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_MEMORY_ERROR at 0x000000012194f000

References:

[Apple - Developer:] Examining the Fields in a Crash Report:

https://developer.apple.com/documentation/xcode/examining-the-fields-in-a-crash-report

[Apple - Developer:] Investigating Memory Access Crashes

https://developer.apple.com/documentation/xcode/investigating-memory-access-crashes

At that last link, Apple writes:

Screen Shot 2021-08-17 at 11.18.38 AM

Screen Shot 2021-08-17 at 11.19.58 AM

What may work to fix your Brave Browser crash problem:

Quit everything and then uninstall Brave Browser. After that, then:


First, move the following “cffkpbalmllkdoenhmdmpbkajipdjfam” folder to the Trash:

/Users/user_shortname/Library/Application Support/BraveSoftware/Brave-Browser/cffkpbalmllkdoenhmdmpbkajipdjfam

Reference: “NOTICE: Users seeing browser freeze or crash may have faulty Ad Block Updater component” [Original Post by “Mattches”]


Second, move the CONTENTS ONLY of the following “CertificateRevocation” folder to the Trash:

/Users/user_shortname/Library/Application Support/BraveSoftware/Brave-Browser/CertificateRevocation

Reference: “Brave Browser keeps crashing [solved] - #2 by Milka


Third, move the following Caches (“BraveSoftware” and “com.brave.Browser”) folders to the Trash:

/Users/user_shortname/Library/Caches/BraveSoftware

/Users/user_shortname/Library/Caches/com.brave.Browser


Fourth, restart your Mac desktop computer.


Fifth, go here, in order to download the latest Brave Browser installer:

https://brave.com/download/

and install that version of Brave Browser.

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