Thanks for the response and sorry for the continued trouble.
After I select the account to use and grants it permissions, a new browser tab pops up where the same activity takes place, and so on, and on, and on, and on …
When you grant codebook permission by clicking the “Allow” button at the end of authentication, does it prompt you to
Allow this page to open "Codebook" ?
When you open Codebook > Preferences > Sync tab and select Google Drive, does your account show up there with an “Unlink” button next to it?
What browser are you using when authenticating with Google Drive after being directed from Codebook?
Could you try running this command in Terminal (founder under Applications > Utilities > Terminal) to ensure there are no other copies of Codebook present on your machine:
find / -name Codebook*.app 2>/dev/null
It should output the locations of any Codebook apps, if it find any other than the one in Applications, then move them to the trash, empty the trash and attempt to sync again.
Also, just to confirm, does your current Codebook installation reside in the
Let me know the results and the answers to the questions. Thanks!