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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.
I already tried this- twice. Same problem.
Megan
Dropbox Staff
Dropbox StaffWould it be possible for me to reach out via email, LBG01?
I'd be happy to see more info on it there.
I'd be happy to see more info on it there.
Sure. Send me your email. Any help figuring this out would be appreciated.
OK
After experiencing the ‘could not start’ problem with Big Sur, and fixing it, the problem resurfaced when upgrading to Monterey.
The solution, for us, was to
- Decommission the BitDefender anti-ransomware (one aspect of which prevents new software from running unless approved)
- Remove dropbox completely from the computer
- Reboot
- Do the advanced dropbox install
- Reboot
- Reinstate BitDefender
- ‘Whitelist’ dropbox within BitDefender
- Reboot
All applications, including both BitDefender and dropbox started correctly, and they seem to be operating correctly too.
