Bambu Studio stopped working completely on my Mac Laptop. Things I’ve done to try to resolve:
- restart laptop
- deleted and re-installed
Nothing is working. Help!
1 Like
Translated Report (Full Report Below)
Process: BambuStudio [2216]
Path: /Applications/BambuStudio.app/Contents/MacOS/BambuStudio
Identifier: com.bambulab.bambu-studio
Version: 02.06.00.51 ()
Code Type: ARM-64 (Native)
Parent Process: launchd [1]
User ID: 502
Date/Time: 2026-04-28 09:52:44.2286 -0700
OS Version: macOS 15.7.3 (24G419)
Report Version: 12
Anonymous UUID: 0016FAB8-EBF5-3673-0CF5-FD0A99CD4D49
Time Awake Since Boot: 290 seconds
System Integrity Protection: enabled
Crashed Thread: 0 bambustu_main Dispatch queue: com.apple.main-thread
Exception Type: EXC_BAD_ACCESS (SIGKILL (Code Signature Invalid))
Exception Codes: UNKNOWN_0x32 at 0x00000001264bec44
Exception Codes: 0x0000000000000032, 0x00000001264bec44
Termination Reason: Namespace CODESIGNING, Code 2 Invalid Page
VM Region Info: 0x1264bec44 is in 0x1264b8000-0x1264d0000; bytes after start: 27716 bytes before end: 70587
REGION TYPE START - END [ VSIZE] PRT/MAX SHRMOD REGION DETAIL
VM_ALLOCATE 12641c000-1264b8000 [ 624K] rw-/rwx SM=ZER
—> ./s" 1264b8000-1264d0000 [ 96K] r-x/rwx SM=COW /Users/USER/Library/Application Support/BambuStudio//libbambu_networking.dylib
./s" 1264d0000-1264d8000 [ 32K] rw-/rwx SM=ZER /Users/USER/Library/Application Support/BambuStudio//libbambu_networking.dylib
Thread 0 Crashed:: bambustu_main Dispatch queue: com.apple.main-thread
0 ??? 0x1264bec44 ???
1 ??? 0x127bfa024 ???
2 dyld 0x19d657678 invocation function for block in dyld3::MachOAnalyzer::forEachInitializer(Diagnostics&, dyld3::MachOAnalyzer::VMAddrConverter const&, void (unsigned int) block_pointer, void const*) const + 172
3 dyld 0x19d6775cc invocation function for block in mach_o::Header::forEachSection(void (mach_o::Header::SectionInfo const&, bool&) block_pointer) const + 240
4 dyld 0x19d674358 mach_o::Header::forEachLoadCommand(void (load_command const*, bool&) block_pointer) const + 208
5 dyld 0x19d675a98 mach_o::Header::forEachSection(void (mach_o::Header::SectionInfo const&, bool&) block_pointer) const + 124
6 dyld 0x19d64cba0 dyld3::MachOFile::forEachInitializerPointerSection(Diagnostics&, void (unsigned int, unsigned int, bool&) block_pointer) const + 160
7 dyld 0x19d657318 dyld3::MachOAnalyzer::forEachInitializer(Diagnostics&, dyld3::MachOAnalyzer::VMAddrConverter const&, void (unsigned int) block_pointer, void const*) const + 432
8 dyld 0x19d61acb4 dyld4::Loader::findAndRunAllInitializers(dyld4::RuntimeState&) const + 176
9 dyld 0x19d622670 dyld4::JustInTimeLoader::runInitializers(dyld4::RuntimeState&) const + 36
10 dyld 0x19d61b460 dyld4::Loader::runInitializersBottomUp(dyld4::RuntimeState&, dyld3::Array<dyld4::Loader const*>&, dyld3::Array<dyld4::Loader const*>&) const + 308
11 dyld 0x19d61fbf0 dyld4::Loader::runInitializersBottomUpPlusUpwardLinks(dyld4::RuntimeState&) const::$_0::operator()() const + 180
12 dyld 0x19d61b77c dyld4::Loader::runInitializersBottomUpPlusUpwardLinks(dyld4::RuntimeState&) const + 716
13 dyld 0x19d63f144 dyld4::APIs::dlopen_from(char const*, int, void*)::$_0::operator()() const + 1856
14 dyld 0x19d633f9c dyld4::APIs::dlopen_from(char const*, int, void*) + 1136
15 dyld 0x19d633a80 dyld4::APIs::dlopen(char const*, int) + 128
16 BambuStudio 0x103fb7d98 Slic3r::NetworkAgent::initialize_network_module(bool, bool) + 1372
17 BambuStudio 0x1034c7ab8 Slic3r::GUI::GUI_App::on_init_network(bool) + 124
18 BambuStudio 0x1034cf948 Slic3r::GUI::GUI_App::on_init_inner() + 6220
19 BambuStudio 0x1034cdf7c Slic3r::GUI::GUI_App::OnInit() + 44
20 BambuStudio 0x105e895bc wxApp::CallOnInit() + 152
21 BambuStudio 0x105f8484c wxEntry(int&, wchar_t**) + 128
22 BambuStudio 0x1034b3a2c Slic3r::GUI::GUI_Run(Slic3r::GUI::GUI_InitParams&) + 468
23 BambuStudio 0x102439e98 Slic3r::CLI::run(int, char**) + 36764
24 BambuStudio 0x1024b29a8 main + 172
25 dyld 0x19d5feb98 start + 6076
Thread 1:
0 libsystem_pthread.dylib 0x19d99ab6c start_wqthread + 0
Thread 2:
0 libsystem_pthread.dylib 0x19d99ab6c start_wqthread + 0
Thread 3:
0 libsystem_pthread.dylib 0x19d99ab6c start_wqthread + 0
Thread 4:
0 libsystem_pthread.dylib 0x19d99ab6c start_wqthread + 0
Thread 5:: com.apple.NSEventThread
0 libsystem_kernel.dylib 0x19d95dc34 mach_msg2_trap + 8
1 libsystem_kernel.dylib 0x19d9703a0 mach_msg2_internal + 76
2 libsystem_kernel.dylib 0x19d966764 mach_msg_overwrite + 484
3 libsystem_kernel.dylib 0x19d95dfa8 mach_msg + 24
4 CoreFoundation 0x19da8ac0c __CFRunLoopServiceMachPort + 160
5 CoreFoundation 0x19da89528 __CFRunLoopRun + 1208
6 CoreFoundation 0x19da889e8 CFRunLoopRunSpecific + 572
7 AppKit 0x1a1acd78c _NSEventThread + 140
8 libsystem_pthread.dylib 0x19d99fbc8 _pthread_start + 136
9 libsystem_pthread.dylib 0x19d99ab80 thread_start + 8
Thread 0 crashed with ARM Thread State (64-bit):
x0: 0x0000000125d6c000 x1: 0x0000000000000001 x2: 0x0000000000000003 x3: 0x0000000125d6c000
x4: 0x0000000125d6c000 x5: 0xffffffffffffffff x6: 0x000000016d9d1120 x7: 0x0000000000000000
x8: 0x00000001264bec44 x9: 0x0000000000768000 x10: 0x00000000d080952e x11: 0x000000001da1c6a8
x12: 0x0000000125d6c36c x13: 0x0000000126d3a55c x14: 0x000000012641b2d8 x15: 0x0000000000000000
x16: 0x000000000000004a x17: 0x000000019d7c3f74 x18: 0x0000000000000000 x19: 0x0000000130014a40
x20: 0x0000000125d6c000 x21: 0x0000000000000048 x22: 0x00000000263cfb64 x23: 0x0000000000000001
x24: 0x00000000fffffff9 x25: 0x0000000000000048 x26: 0x00000001272370bc x27: 0x0000000000000048
x28: 0x0000000000000048 fp: 0x000000016d9d1210 lr: 0x0000000126d6f02c
sp: 0x000000016d9d1100 pc: 0x00000001264bec44 cpsr: 0x60001400
far: 0x00000001264bec44 esr: 0x8200000f (Instruction Abort) Permission fault
Binary Images:
0x102420000 - 0x106de3fff com.bambulab.bambu-studio (02.06.00.51) <8e0a96ab-efa1-3bdf-a352-43f9e724f0af> /Applications/BambuStudio.app/Contents/MacOS/BambuStudio
0x10d818000 - 0x10d823fff libobjc-trampolines.dylib () <9a87f143-aa9d-3c46-b2e8-b3fb9215e33e> /usr/lib/libobjc-trampolines.dylib
0x121100000 - 0x121807fff com.apple.AGXMetalG14X (329.2) <80f3833c-2ed7-3910-b11b-689fff87009b> /System/Library/Extensions/AGXMetalG14X.bundle/Contents/MacOS/AGXMetalG14X
0x117bbc000 - 0x117bdbfff com.apple.security.csparser (3.0) <58f759bc-cd52-3491-8dd0-7f34f32cfc35> /System/Library/Frameworks/Security.framework/Versions/A/PlugIns/csparser.bundle/Contents/MacOS/csparser
0x125d6c000 - 0x1263abfff libbambu_networking.dylib () /Users/USER/Library/Application Support/BambuStudio//libbambu_networking.dylib
0x0 - 0xffffffffffffffff ??? () <00000000-0000-0000-0000-000000000000> ???
0x19d5f8000 - 0x19d69357b dyld () /usr/lib/dyld
0x19d79e000 - 0x19d7e506f libsystem_malloc.dylib () <3ce1e59c-91c8-3259-93d8-7ded66842979> /usr/lib/system/libsystem_malloc.dylib
0x19d999000 - 0x19d9a5a77 libsystem_pthread.dylib () <022dc315-cf35-38da-939e-03800b5beff2> /usr/lib/system/libsystem_pthread.dylib
0x19d95d000 - 0x19d998663 libsystem_kernel.dylib () <1d4ffd44-8926-3746-924e-deef5b777588> /usr/lib/system/libsystem_kernel.dylib
0x19da0e000 - 0x19df4cfff com.apple.CoreFoundation (6.9) <37cebb20-0448-392c-9f01-f5bd87eb295e> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
0x1a196f000 - 0x1a2dffcff com.apple.AppKit (6.9) <00452387-9d4c-397a-a17d-cd14bb6ce9b4> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit
External Modification Summary:
Calls made by other processes targeting this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by all processes on this machine:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
VM Region Summary:
ReadOnly portion of Libraries: Total=1.7G resident=0K(0%) swapped_out_or_unallocated=1.7G(100%)
Writable regions: Total=1.4G written=723K(0%) resident=723K(0%) swapped_out=0K(0%) unallocated=1.4G(100%)
VIRTUAL REGION
REGION TYPE SIZE COUNT (non-coalesced)
=========== ======= =======
./s" 8720K 3
.PXt 32K 1
.mv\ 15.2M 1
Accelerate framework 128K 1
Activity Tracing 256K 1
CG image 2736K 3
CG raster data 2016K 9
ColorSync 528K 27
CoreAnimation 7472K 17
CoreGraphics 48K 3
Foundation 16K 1
Kernel Alloc Once 32K 1
MALLOC 1.3G 58
MALLOC guard page 288K 18
STACK GUARD 56.1M 6
Stack 10.6M 6
VM_ALLOCATE 208K 13
__AUTH 5358K 686
__AUTH_CONST 75.7M 925
__CTF 824 1
__DATA 26.8M 905
__DATA_CONST 30.0M 935
__DATA_DIRTY 2764K 336
__FONT_DATA 2352 1
__INFO_FILTER 8 1
__LINKEDIT 649.9M 6
__OBJC_RO 61.4M 1
__OBJC_RW 2397K 1
__TEXT 1.1G 959
__TPRO_CONST 128K 2
dyld private memory 96K 3
mapped file 216.9M 24
page table in kernel 723K 1
shared memory 896K 15
=========== ======= =======
TOTAL 3.6G 4971
Full Report
{“app_name”:“BambuStudio”,“timestamp”:“2026-04-28 09:52:44.00 -0700”,“app_version”:“02.06.00.51”,“slice_uuid”:“8e0a96ab-efa1-3bdf-a352-43f9e724f0af”,“build_version”:“”,“platform”:1,“bundleID”:“com.bambulab.bambu-studio”,“share_with_app_devs”:0,“is_first_party”:0,“bug_type”:“309”,“os_version”:“macOS 15.7.3 (24G419)”,“roots_installed”:0,“name”:“BambuStudio”,“incident_id”:“8F108CA9-264C-488D-B864-C488F0E2F6AD”}
{
“uptime” : 290,
“procRole” : “Foreground”,
“version” : 2,
“userID” : 502,
“deployVersion” : 210,
“modelCode” : “Mac14,9”,
“coalitionID” : 1590,
“osVersion” : {
“train” : “macOS 15.7.3”,
“build” : “24G419”,
“releaseType” : “User”
},
“captureTime” : “2026-04-28 09:52:44.2286 -0700”,
“codeSigningMonitor” : 1,
“incident” : “8F108CA9-264C-488D-B864-C488F0E2F6AD”,
“pid” : 2216,
“translated” : false,
“cpuType” : “ARM-64”,
“roots_installed” : 0,
“bug_type” : “309”,
“procLaunch” : “2026-04-28 09:52:43.1329 -0700”,
“procStartAbsTime” : 7153624237,
“procExitAbsTime” : 7179862774,
“procName” : “BambuStudio”,
“procPath” : “/Applications/BambuStudio.app/Contents/MacOS/BambuStudio”,
“bundleInfo” : {“CFBundleShortVersionString”:“02.06.00.51”,“CFBundleVersion”:“”,“CFBundleIdentifier”:“com.bambulab.bambu-studio”},
“storeInfo” : {“deviceIdentifierForVendor”:“3B640D21-136A-5998-B334-0BA2F3D542A9”,“thirdParty”:true},
“parentProc” : “launchd”,
“parentPid” : 1,
“coalitionName” : “com.bambulab.bambu-studio”,
“crashReporterKey” : “0016FAB8-EBF5-3673-0CF5-FD0A99CD4D49”,
“appleIntelligenceStatus” : {“state”:“unavailable”,“reasons”:[“notOptedIn”,“assetIsNotReady”]},
“codeSigningID” : “com.bambulab.bambu-studio”,
“codeSigningTeamID” : “T3UBR9Y3B2”,
“codeSigningFlags” : 587272961,
“codeSigningValidationCategory” : 6,
“codeSigningTrustLevel” : 4294967295,
“codeSigningAuxiliaryInfo” : 0,
“instructionByteStream” : {“beforePC”:“c8IqixgLwFohAiNKsAE4ioEoxxp4Ew7xYAIf1hVvGZT9TCAfDn4eyg==”,“atPC”:“7A8f+EwlilIM4aBy7AcA+Rd/DhQMrR7CpCCzST5+QJP5R8GoxgvAWg==”},
“bootSessionUUID” : “30E728F7-897B-4497-B457-2192F017A381”,
“sip” : “enabled”,
“vmRegionInfo” : “0x1264bec44 is in 0x1264b8000-0x1264d0000; bytes after start: 27716 bytes before end: 70587\n REGION TYPE START - END [ VSIZE] PRT/MAX SHRMOD REGION DETAIL\n VM_ALLOCATE 12641c000-1264b8000 [ 624K] rw-/rwx SM=ZER \n—> ./s" 1264b8000-1264d0000 [ 96K] r-x/rwx SM=COW /Users/USER/Library/Application Support/BambuStudio//libbambu_networking.dylib\n ./s" 1264d0000-1264d8000 [ 32K] rw-/rwx SM=ZER /Users/USER/Library/Application Support/BambuStudio//libbambu_networking.dylib”,
“exception” : {“codes”:“0x0000000000000032, 0x00000001264bec44”,“rawCodes”:[50,4937477188],“type”:“EXC_BAD_ACCESS”,“signal”:“SIGKILL (Code Signature Invalid)”,“subtype”:“UNKNOWN_0x32 at 0x00000001264bec44”},
“termination” : {“flags”:0,“code”:2,“namespace”:“CODESIGNING”,“indicator”:“Invalid Page”},
“vmregioninfo” : “0x1264bec44 is in 0x1264b8000-0x1264d0000; bytes after start: 27716 bytes before end: 70587\n REGION TYPE START - END [ VSIZE] PRT/MAX SHRMOD REGION DETAIL\n VM_ALLOCATE 12641c000-1264b8000 [ 624K] rw-/rwx SM=ZER \n—> ./s" 1264b8000-1264d0000 [ 96K] r-x/rwx SM=COW /Users/USER/Library/Application Support/BambuStudio//libbambu_networking.dylib\n ./s" 1264d0000-1264d8000 [ 32K] rw-/rwx SM=ZER /Users/USER/Library/Application Support/BambuStudio//libbambu_networking.dylib”,
“extMods” : {“caller”:{“thread_create”:0,“thread_set_state”:0,“task_for_pid”:0},“system”:{“thread_create”:0,“thread_set_state”:0,“task_for_pid”:0},“targeted”:{“thread_create”:0,“thread_set_state”:0,“task_for_pid”:0},“warnings”:0},
“faultingThread” : 0,
“threads” : [{“threadState”:{“x”:[{“value”:4929798144},{“value”:1},{“value”:3},{“value”:4929798144},{“value”:4929798144},{“value”:18446744073709551615},{“value”:6133977376},{“value”:0},{“value”:4937477188},{“value”:7766016},{“value”:3498087726},{“value”:497141416},{“value”:4929799020},{“value”:4946371932},{“value”:4936807128},{“value”:0},{“value”:74},{“value”:6937132916,“symbolLocation”:0,“symbol”:“nanov2_try_free_default”},{“value”:0},{“value”:5100358208},{“value”:4929798144},{“value”:72},{“value”:641530724},{“value”:1},{“value”:4294967289},{“value”:72},{“value”:4951601340},{“value”:72},{“value”:72}],“flavor”:“ARM_THREAD_STATE64”,“lr”:{“value”:4946587692},“cpsr”:{“value”:1610617856},“fp”:{“value”:6133977616},“sp”:{“value”:6133977344},“esr”:{“value”:2181038095,“description”:“(Instruction Abort) Permission 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Hi, good call posting the crash dump.
The crash is happening while Studio is trying to load the network “plugin,” which is apparently failing code signing validation, for whatever reason.
The first thing to try would be to delete or rename your /Users/USER/Library/Application Support/BambuStudio/ directory. This will effectively remove the current network plugin. (It is not [always?] removed automatically when Studio is uninstalled.)
After that see if Studio starts. If it does, it should prompt you to download the plugin. Try that and see if it fixes it.
Alternately, if that doesn’t work, you could try installing a slightly older version of Studio. Or the latest 2.6.1 beta, if you’re feeling adventurous. All releases are available from Releases · bambulab/BambuStudio · GitHub , in the “Assets” list of each version’s post.
HTH,
-Max
4 Likes
I really appreciate your help! Unfortunately, I couldn’t get to the directory for some reason…
I did try to reinstall an older version but still came up with an error and it doesn’t load.
same error:
The app is crashing because macOS refuses to execute a dynamically loaded library that fails code-signing validation, specifically libbambu_networking.dylib.
1 Like
Did you change the USER to your login name ?
if not try again and edit the path. Easiest way to get there is to use Shift-Command-G and in the dialog that opens copy and past the above line and change USEWR to your login or folder name
Thank you so much! I can get here but there’s nothing in the applications folder, really nothing at all…not sure what I’m doing wrong? It is a work computer and VPN…
What they said; this problem is usually that the network plug-in somehow got itself messed up. Here’s the step by step, without the USER part – instead it uses the tilde character which is a Unix convention for the home directory.
-
Switch to Finder
-
press Cmd+Shift+G
-
paste this in:
~/Library/Application Support/BambuStudio/. You;'ll see something like this:
-
open the
pluginsfolder -
Drag
libbambu_networking.dylibto to the Trash -
Open BambuStudio. It will download a new copy of the network plug-in.
7 Likes
This is very strange, and if so then maybe you have a filter on the directory. All your apps go into the Application folder, be it Safari, or mail or whatever. However, you have a system wide application folder and a user (private) application folder. afaik, Bambu Studio goes by default into the global Application folder.
You say its a work computer, Do you have admin rights on it ?
I had the same problem yesterday. After uninstall, deleting the folder and install it is working again.
1 Like
Hi, I have a MacBook Pro too. There is no problem yet. if i got something, I’ll post here
Do you happen to have any antivirus, EDR, endpoint protection, or other security software installed on that Mac?
This crash log points primarily to the Bambu networking plugin itself, but security software can still interfere quite badly with applications like this, especially when they download and load separate plugin files.
It may be worth adding Bambu Studio, and possibly its Application Support folder, as an exception/exclusion in that security software, then letting Bambu Studio download a fresh copy of libbambu_networking.dylib.
1 Like
THANK YOU THANK YOU! That did the trick, I’m up and running again!
Thank you all for your help. This is a work laptop so probably a reminder I should have a backup…I have used Bambu Studio for over a year on it with no issues…
Much appreciated and thank you again!
4 Likes
@Lovespicyfood please mark this as the solution, this just worked for me, THANK YOU @Bratling from the bottom of my heart now riddled with stress and anxiety thankfully quelled by you!
1 Like
I should note that this happened literally after today’s networking update
I had the same problem, new update is fixed but with the help of Chat GTP, it told me to open the crashing version with Rosetta, and that worked until the newest version today.
Thanks! this fixed my issues as well!
Much better explanation. did in seconds.
thanks
OMG thank you so much! This helped me so much
1 Like