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Solved
The Dropbox desktop app won't start or sync on Windows 11
Application Affected
Dropbox
Operating System/Browser (if using the web)
Windows 11
Dropbox App Version (if using the app)
App won't launch but i have installed the latest version
Question or Issue
I noticed that Dropbox was no longer syncing my photos and files from my PC. Saw that the System Tray icon was gray and when I clicked is just said starting. I followed some other troubleshooting steps like uninstall and reinstall, removing old users (there's just me), restarting, etc. I even tried clearing the cache folder.
When I start the app, it takes me through connecting and the startup options and connects to my account. At the end of this process I get the error "Couldn't start Dropbox"
The text of the second link is :
bn.BUILD_KEY: Dropbox bn.VERSION: 237.4.5655 bn.constants.WINDOWS_SHELL_EXT_VERSION: 88 bn.is_frozen: True machine_id: 32b5fdfb-d178-4a0f-bcb0-eccb1b7070bb pid: 37392 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\\Owner\\AppData\\Local\\Dropbox\\instance2' real_path='C:\\Users\\Owner\\AppData\\Local\\Dropbox\\instance2' mode=0o40777 uid=0 gid=0 parent mode=0o40777 uid=0 gid=0 dropbox_path: None not found parent not found 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\\237.4.5655\\python-packages.zip\\dropbox\\client\\ui\\common\\boot_error.pyc' real_path='C:\\Program Files (x86)\\Dropbox\\Client\\237.4.5655\\python-packages.zip\\dropbox\\client\\ui\\common\\boot_error.pyc' not found parent not found TMP: C:\Users\Owner\AppData\Local\Temp TEMP: C:\Users\Owner\AppData\Local\Temp tempdir: 'C:\\Users\\Owner\\AppData\\Local\\Temp' real_path='C:\\Users\\Owner\\AppData\\Local\\Temp' mode=0o40777 uid=0 gid=0 parent mode=0o40777 uid=0 gid=0 Traceback (most recent call last): File "desktop/dropbox/client/main.py", line 6857, in _setup_root_for_account File "desktop/dropbox/sync_root/helpers.py", line 199, in create_root_for_account File "desktop/dropbox/foundation/futures/basic.py", line 1044, in result File "desktop/dropbox/sync_root/manager.py", line 382, in create_root File "desktop/dropbox/sync_root/handlers/windows/cloud_files.py", line 299, in register File "desktop/dropbox/sync_root/handlers/windows/cloud_files.py", line 601, in _register OSError: [WinError -2147024501] Access to the cloud file is denied
I don't use the cloud back feature at all. This just started happening about a week ago.
Any Ideas. The files are there and I can access through explorer, but they are not syncing. Sync is working from my Android phone for photos etc. but they are not syncing back to my desktop.
Thanks
Well, it took a week of thrashing around, but support eventually came up with the answer. This entire issue had to do with a Dropbox update to make it compatible with Microsoft's new sync API called Cloud Files The solution was to unlink my desktop from the Dropbox dashboard, uninstall, reboot, reinstall. Then during the welcome process at the end choose advanced setting Check the Opt Out checkbox under Dropbox for Windows Updates.
That's it, it all works now.
Thanks for everyone trying to help solve this issue. It seems that Dropbox is aware of the issue, it just took some time to find the right support rep that was aware of it.
Thanks Again!
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I'm looking forward to a solution, but the Holiday and switching to Dropbox support has slowed things down.
Well, it took a week of thrashing around, but support eventually came up with the answer. This entire issue had to do with a Dropbox update to make it compatible with Microsoft's new sync API called Cloud Files The solution was to unlink my desktop from the Dropbox dashboard, uninstall, reboot, reinstall. Then during the welcome process at the end choose advanced setting Check the Opt Out checkbox under Dropbox for Windows Updates.
That's it, it all works now.
Thanks for everyone trying to help solve this issue. It seems that Dropbox is aware of the issue, it just took some time to find the right support rep that was aware of it.
Thanks Again!
- Theresa
Community Manager
Hi there EastyT, and thanks for reaching out to us in the Dropbox Community! 😊
I am glad to see your issue is resolved - desktop app startup or sync problems on Windows 11 can be especially frustrating, so it’s great to hear things are running properly again. These glitches can have a few different causes, so thank you for taking the time to come back and share what worked. Updates like yours are super helpful for anyone who might encounter the same issue!
By the way, I’m Theresa 👩💻, one of the community managers here at Dropbox HQ. Since you’ve been working through this on the desktop app, I’d love to know: what’s your favorite Dropbox feature? Whether it’s Smart Sync, Backup, sharing tools, or something totally different, I’m always curious what people enjoy most about using Dropbox day-to-day.
Looking forward to hearing more,
T 😺 (Dropbox Community Manager)
