Dropbox not syncing - as of about 2 days ago

Solution found!

So after continued digging, and following the advice on this page: 

https://help.dropbox.com/installs-integrations/sync-uploads/select-files-to-sync?utm_content=fa&utm_source=sup

I got dropbox back working (/syncing) again.

More specifically this is what I did:

1. Click the Dropbox icon in your system tray.
2. Click your profile picture or initials, and select Exit Dropbox.
3. Press the Windows Key + R (at the same time).
4. Type cmd and press Enter to open the command prompt.
5. Copy and paste the following lines one at a time into the command prompt. Press Enter after each one.
   • If the location of your Dropbox folder is not C:\Users\YourUser\Dropbox, modify the first command to point to its actual location. For example, if your Dropbox is in D:\Dropbox, change the command to:

         icacls "D:\Dropbox" /grant "%USERNAME%":(F) /T

   • Regardless of where your Dropbox folder is located, other commands remain unchanged.
   • Depending on the size of your Dropbox, this operation can take more time to complete. Wait for the C:\ prompt to appear before moving to the next step.

         icacls "%HOMEPATH%\Dropbox" /grant "%USERNAME%":(F) /T
         icacls "%APPDATA%\Dropbox" /grant "%USERNAME%":(F) /T

6. Go to the Start menu and select Program Files.
7. Select Dropbox.

Also, for clarity, for the first part of step 5 I entered

icacls "C:\Dropbox" /grant "%USERNAME%":(F) /T

Because on my system the Dropbox folder is on the c: drive