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Solved
Help! "Couldn't start Dropbox" error (Mac & Big Sur)
Dropbox won't start on my MacBook Air (13" 2018), with Big Sur 11.3.1.
Have uninstalled dropbox and reinstalled. Same error
Uninstalled again, advanced re-install. Same error
AFAIK, vanilla ins...
Ran these changes, but no different.
Tried once more, after double-checking firewall off.
uninstall DB
reboot
delete DB folders from local storage, and empty bin
reboot
search and delete every 'dropbox' named file in ~/library
reboot
advanced reinstall
reboot
logoff DB on webclient
reboot
start DB
login
accept all vanilla (recommended) options
and it started and seems to be sync-ing correctly.
Not sure what changed this time around, but DB seems to be working again.
Thanks for your help.
Walter
Dropbox Community Moderator
Dropbox Community ModeratorCould you the try disabling any antivirus or firewall you may have and try again prc87?
Otherwise, you could also try the following:
- Click on the apple icon in the top left hand corner of your screen.
- Select "System Preferences..."
- Then "Security & Privacy."
- Select the Privacy tab.
- Select "Files and Folders."
- Under Dropbox, ensure that all the folders are checked.
To make changes, you will need to click on the lock icon, and enter your macOS password.
Now, attempt to restart the Dropbox desktop app.
Let me know if this helped, Peter!
Thanks. Will check in the morning.
Ran these changes, but no different.
Tried once more, after double-checking firewall off.
uninstall DB
reboot
delete DB folders from local storage, and empty bin
reboot
search and delete every 'dropbox' named file in ~/library
reboot
advanced reinstall
reboot
logoff DB on webclient
reboot
start DB
login
accept all vanilla (recommended) options
and it started and seems to be sync-ing correctly.
Not sure what changed this time around, but DB seems to be working again.
Thanks for your help.
- WalterGlad to hear you're back up and running, Peter.
See you around the Community and take care!I am having the same problem. The error message is
bn.BUILD_KEY: Dropboxbn.VERSION: 124.4.4912bn.constants.WINDOWS_SHELL_EXT_VERSION: 48bn.is_frozen: Truemachine_id: 4902f188-79dc-51ef-ab44-66e5c3af45e7pid: 512ppid: 1uid: 504user_info: pwd.struct_passwd(pw_name='ctk', pw_passwd='********', pw_uid=504, pw_gid=20, pw_gecos='C. T. Kelley', pw_dir='/Users/ctk', pw_shell='/bin/tcsh')effective_user_info: pwd.struct_passwd(pw_name='ctk', pw_passwd='********', pw_uid=504, pw_gid=20, pw_gecos='C. T. Kelley', pw_dir='/Users/ctk', pw_shell='/bin/tcsh')euid: 504gid: 20egid: 20group_info: grp.struct_group(gr_name='staff', gr_passwd='*', gr_gid=20, gr_mem=['root', 'tim', '_nsurlstoraged', '_serialnumberd', 'ctk', 'bubba', '_sophos', '_xcsbuildagent'])effective_group_info: grp.struct_group(gr_name='staff', gr_passwd='*', gr_gid=20, gr_mem=['root', 'tim', '_nsurlstoraged', '_serialnumberd', 'ctk', 'bubba', '_sophos', '_xcsbuildagent'])DYLD_LIBRARY_PATH: Nonecwd: '/'real_path='/'mode=0o40755 uid=0 gid=0parent mode=0o40755 uid=0 gid=0HOME: '/Users/ctk'appdata: '/Users/ctk/.dropbox/instance1'real_path='/Users/ctk/.dropbox/instance1'mode=0o40700 uid=504 gid=20parent mode=0o40755 uid=504 gid=20dropbox_path: '/Users/ctk/Dropbox'real_path='/Users/ctk/Dropbox'mode=0o40700 uid=504 gid=20parent mode=0o40755 uid=504 gid=20sys_executable: '/Applications/Dropbox.app/Contents/MacOS/Dropbox'real_path='/Applications/Dropbox.app/Contents/MacOS/Dropbox'mode=0o100755 uid=504 gid=20parent mode=0o40755 uid=504 gid=20trace.__file__: '/Applications/Dropbox.app/Contents/Resources/python-packages.zip/dropbox/client/ui/common/boot_error.pyc'real_path='/Applications/Dropbox.app/Contents/Resources/python-packages.zip/dropbox/client/ui/common/boot_error.pyc'not foundparent not foundtempdir: '/var/folders/9q/sddj5fcj2m729sjf5_hbnxb40000gr/T'real_path='/private/var/folders/9q/sddj5fcj2m729sjf5_hbnxb40000gr/T'mode=0o40700 uid=504 gid=20parent mode=0o40755 uid=504 gid=20Traceback (most recent call last):File "dropbox/client/main.pyc", line 821, in wrapperFile "dropbox/client/main.pyc", line 6488, in finish_dropbox_bootFile "dropbox/client/message_queue.pyc", line 307, in _wrappedFile "dropbox/client/main.pyc", line 6017, in _init_components_for_accountFile "dropbox/client/main.pyc", line 5944, in create_sync_engineFile "dropbox/sync_engine_boundary/factory.pyc", line 225, in make_sync_engineFile "dropbox/sync_engine/nucleus/classic_client/sync_engine.pyc", line 275, in __init__File "dropbox/sync_engine/nucleus/classic_client/modern_client/modern_client.pyc", line 219, in __init__File "dropbox/sync_engine/nucleus/classic_client/modern_client/base.pyc", line 149, in __init__File "dropbox/sync_engine/nucleus/classic_client/thin_adapter/in_proc.pyc", line 223, in __init__File "dropbox/sync_engine/nucleus/classic_client/thin_adapter/in_proc.pyc", line 597, in _init_new_engine_lockedFile "dropbox/sync_engine/nucleus/thin_client/client.pyc", line 182, in __init__File "extensions/nucleus/nucleus_python.pyx", line 76, in nucleus_python.NucleusSyncEngine.__cinit__nucleus_python.SyncEngineError: "Initializing engine |>> Initializing filesystem |>> Attempting to register icons |>> Opening dst |>> open syscall |>> Permission denied"
Hi,
To be super clear, when you say "delete DB folders from local storage, and empty bin" do you mean deleting all of your existing dropbox folders on your computer? While I can't open the app, the folders are still available to me there. Thanks!
