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Forum Discussion
"Couldn't start Dropbox" error after Windows 11 install
After upgrading to windows 11, I cannot start Dropbox. "Couldn't start Dropbox" is the error. I have checked Security software to make sure it is not blocking it (no sign that it is), reinstalled Dropbox, and rebooted several times. Nothing has cleared the error. I can get to Dropbox via the browser.
bn.BUILD_KEY: Dropbox
bn.VERSION: 138.4.2392
bn.constants.WINDOWS_SHELL_EXT_VERSION: 51
Last error in log is:
nucleus_python.SyncEngineError: "Initializing engine |>> Initializing filesystem |>> Attempting to initialize dbx cache directory |>> NtSetBasicInformation syscall: new handle |>> ACCESS_DENIED |>> Permission denied"
- Hi mpasch, thanks for bringing this to our attention.
When you reinstalled the Dropbox desktop application, did you perform an advanced re-installation using these steps?
Keep me updated with any details!
- Jay
Dropbox Staff
Hi mpasch, thanks for bringing this to our attention.
When you reinstalled the Dropbox desktop application, did you perform an advanced re-installation using these steps?
Keep me updated with any details!Yes, I followed this process. It did not solve the problem.
Well, in the end, I guess that did do it. With the prior install, there was no indication of security software blocking Dropbox. After the advanced re-installation, it appears that Windows was blocking Dropbox and once I accepted the security prompts, I am in business again.
- I also have this problem
- WalterHey Sahel, sorry to hear about this.
If you've ensured that this is not caused by an antivirus or a firewall on your computer, did you perform an advanced reinstall since you first noticed this error?
Note that if you're on the Basic plan with more than 3 devices connected to your account, you'll need to remove any that might be putting you over your account's limit and install the desktop app anew.
I could not update Dropbox it wouldn't let me install the update. I uninstalled, then rebooted, cleared the regsitry etc... (Basically all your suggestions on your help files) and I still cannot install drop box. I am a premium subscriber and I rely on drop box daily this needs to be resolved ASAP
