Message d'erreur quand j'allume mon ordinateur

[get_extra_trace_info failed]
Traceback (most recent call last):
File "dropbox\client\main.pyo", line 821, in boot_error
File "dropbox\client\main.pyo", line 5174, in get_dropbox_path
AttributeError: 'NoneType' object has no attribute 'get_dropbox_path'

Original traceback:

Traceback (most recent call last):
File "dropbox\client\main.pyo", line 5454, in main_startup
File "dropbox\client\main.pyo", line 2070, in run
File "dropbox\client\main.pyo", line 1141, in startup_low
File "dropbox\client\multiaccount\instance_database.pyo", line 747, in __init__
File "dropbox\client\multiaccount\instance_database.pyo", line 801, in check_directory
File "dropbox\client\main.pyo", line 848, in safe_makedirs
File "dropbox\sync_engine_boundary\factory.pyo", line 206, in make_default_file_system
File "dropbox\sync_engine_boundary\factory.pyo", line 123, in __init__
File "dropbox\sync_engine_boundary\factory.pyo", line 183, in _initialize_classes
File "dropbox\_sync_engine_packages\stable\sync_engine.pyo", line 250, in <module>
File "dropbox\_sync_engine_packages\stable\enterprise_data\sync_engine_mixin.pyo", line 17, in <module>
File "dropbox\_sync_engine_packages\stable\enterprise_data\sync_engine_mixin_win10.pyo", line 24, in <module>
File "enterprise_data\api.pyo", line 33, in <module>
File "enterprise_data\compiled\_enterprise_data.pyo", line 12, in <module>
File "enterprise_data\compiled\_enterprise_data.pyo", line 10, in __load
ImportError: DLL load failed: %1 n’est pas une application Win32 valide.