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Forum Discussion
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.
Happened after Montery upgrade. Tried this solution, didn't work.
n.BUILD_KEY: Dropbox
bn.VERSION: 134.4.4115
bn.constants.WINDOWS_SHELL_EXT_VERSION: 51
bn.is_frozen: True
machine_id: ddc1034c-a7af-5798-a128-21dbca2d510b
pid: 1023
ppid: 1
uid: 501
user_info: pwd.struct_passwd(pw_name='larrygoldstein', pw_passwd='********', pw_uid=501, pw_gid=20, pw_gecos='Larry Goldstein', pw_dir='/Users/larrygoldstein', pw_shell='/bin/bash')
effective_user_info: pwd.struct_passwd(pw_name='larrygoldstein', pw_passwd='********', pw_uid=501, pw_gid=20, pw_gecos='Larry Goldstein', pw_dir='/Users/larrygoldstein', pw_shell='/bin/bash')
euid: 501
gid: 20
egid: 20
group_info: grp.struct_group(gr_name='staff', gr_passwd='*', gr_gid=20, gr_mem=['root', '_nsurlstoraged'])
effective_group_info: grp.struct_group(gr_name='staff', gr_passwd='*', gr_gid=20, gr_mem=['root', '_nsurlstoraged'])
DYLD_LIBRARY_PATH: None
cwd: '/'
real_path='/'
mode=0o40755 uid=0 gid=0
parent mode=0o40755 uid=0 gid=0
HOME: '/Users/larrygoldstein'
appdata: '/Users/larrygoldstein/.dropbox/instance1'
real_path='/Users/larrygoldstein/.dropbox/instance1'
mode=0o40700 uid=501 gid=20
parent mode=0o40755 uid=501 gid=20
dropbox_path: '/Users/larrygoldstein/Dropbox'
real_path='/Users/larrygoldstein/Dropbox'
mode=0o40700 uid=501 gid=20
parent mode=0o40755 uid=501 gid=20
sys_executable: '/Applications/Dropbox.app/Contents/MacOS/Dropbox'
real_path='/Applications/Dropbox.app/Contents/MacOS/Dropbox'
mode=0o100755 uid=501 gid=20
parent mode=0o40755 uid=501 gid=20
trace.__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 found
parent not found
tempdir: '/var/folders/cy/_dkr8xkn2b9g86jggm4ck2rw0000gn/T'
real_path='/private/var/folders/cy/_dkr8xkn2b9g86jggm4ck2rw0000gn/T'
mode=0o40700 uid=501 gid=20
parent mode=0o40755 uid=501 gid=20
Traceback (most recent call last):
File "dropbox/client/main.pyc", line 816, in wrapper
File "dropbox/client/main.pyc", line 6537, in finish_dropbox_boot
File "dropbox/client/message_queue.pyc", line 313, in _wrapped
File "dropbox/client/main.pyc", line 6070, in _init_components_for_account
File "dropbox/client/main.pyc", line 5994, in create_sync_engine
File "dropbox/sync_engine_boundary/factory.pyc", line 226, in make_sync_engine
File "dropbox/sync_engine/nucleus/classic_client/sync_engine.pyc", line 278, in __init__
File "dropbox/sync_engine/nucleus/classic_client/modern_client/modern_client.pyc", line 245, in __init__
File "dropbox/sync_engine/nucleus/classic_client/modern_client/base.pyc", line 152, in __init__
File "dropbox/sync_engine/nucleus/classic_client/thin_adapter/in_proc.pyc", line 209, in __init__
File "dropbox/sync_engine/nucleus/classic_client/thin_adapter/in_proc.pyc", line 520, in _init_new_engine_locked
File "dropbox/sync_engine/nucleus/thin_client/client.pyc", line 188, in __init__
File "desktop/extensions/nucleus/nucleus_python.pyx", line 76, in nucleus_python.NucleusSyncEngine.__cinit__
nucleus_python.SyncEngineError: "Initializing engine |>> Initializing filesystem |>> Attempting to register icons |>> fchflags syscall: _set_hidden |>> Permission denied"
