dropbox app not starting up.. permission error

[MarkMa69]

i did all reinstallation, allowed firewall and antivirus exceptions with no luck. (windows 10 app)

bn.BUILD_KEY: Dropbox
bn.VERSION: 109.4.517
bn.constants.WINDOWS_SHELL_EXT_VERSION: 46
bn.is_frozen: True
machine_id: 6febfe2c-1518-444b-a2f6-ef6c5a269918
pid: 1592
cwd: 'C\Program Files (x86)\\Dropbox\\Client'
real_path='C\Program Files (x86)\\Dropbox\\Client'
mode=0o40777 uid=0 gid=0
parent mode=0o40777 uid=0 gid=0
HOME: None
appdata: 'C\Users\\MARK\\AppData\\Local\\Dropbox\\instance1'
real_path='C\Users\\MARK\\AppData\\Local\\Dropbox\\instance1'
mode=0o40777 uid=0 gid=0
parent mode=0o40777 uid=0 gid=0
dropbox_path: 'C\Users\\MARK\\Dropbox'
real_path='C\Users\\MARK\\Dropbox'
mode=0o40555 uid=0 gid=0
parent mode=0o40777 uid=0 gid=0
sys_executable: 'C\Program Files (x86)\\Dropbox\\Client\\Dropbox.exe'
real_path='C\Program Files (x86)\\Dropbox\\Client\\Dropbox.exe'
mode=0o100777 uid=0 gid=0
parent mode=0o40777 uid=0 gid=0
trace.__file__: 'C\Program Files (x86)\\Dropbox\\Client\\109.4.517\\python-packages.zip\\dropbox\\client\\ui\\common\\boot_error.pyc'
real_path='C\Program Files (x86)\\Dropbox\\Client\\109.4.517\\python-packages.zip\\dropbox\\client\\ui\\common\\boot_error.pyc'
not found
parent not found
TMP: CUsers\MARK\AppData\Local\Temp
TEMP: CUsers\MARK\AppData\Local\Temp
tempdir: 'C\Users\\MARK\\AppData\\Local\\Temp'
real_path='C\Users\\MARK\\AppData\\Local\\Temp'
mode=0o40777 uid=0 gid=0
parent mode=0o40777 uid=0 gid=0
Traceback (most recent call last
File "dropbox\attrs.pyc", line 512, in unmarshal
File "json\__init__.pyc", line 348, in loads
File "json\decoder.pyc", line 337, in decode
File "json\decoder.pyc", line 353, in raw_decode
json.decoder.JSONDecodeError: Expecting ':' delimiter: line 1 column 100 (char 99)

During handling of the above exception, another exception occurred:

Traceback (most recent call last
File "dropbox\client\main.pyc", line 801, in wrapper
File "dropbox\client\main.pyc", line 6547, in finish_dropbox_boot
File "dropbox\client\main.pyc", line 6027, in _init_components_for_account
File "dropbox\client\main.pyc", line 5977, in create_sync_engine
File "dropbox\sync_engine_boundary\factory.pyc", line 211, in make_sync_engine
File "dropbox\nucleus\migration.pyc", line 207, in compute_migration_args
File "dropbox\sync_engine\dump_filecache.pyc", line 41, in dump_filecache_for_nucleus_migration
File "dropbox\sync_engine\file_cache\nucleus_migration.pyc", line 237, in generate_snapshot
File "dropbox\sync_engine\file_cache\nucleus_migration.pyc", line 290, in timed_process
File "dropbox\sync_engine\file_cache\nucleus_migration.pyc", line 139, in get_entries_iter
File "dropbox\attrs.pyc", line 516, in unmarshal
dropbox.attrs.CorruptedAttributeError: Expecting ':' delimiter: line 1 column 100 (char 99)

[Jay · Accepted solution]

Hi @MarkMa69, thanks for taking the time to message us!

If you're not on a Dropbox Basic plan with more than 3 devices connected, could you try an advanced reinstall of the app using the steps in this link?
 

If the issue persists after this, please feel free to reach back out.