ESET NOD32 Internet Security
Version: 16.0.22.0 | Windows 10, 64-bit
Dropbox not syncing resolution:
On the left side of ESET Internet Security click the following:
Setup --> Internet protection --> Web access protection (click its gear icon)
Click on the WEB AND EMAIL link on the left side
Under PROTOCOL FILTERING ---> Excluded applications, click on Edit
Include all of the directory paths for the executables in reference to Dropbox:
(dropbox.exe, dropboxupdate.exe and dropboxclient_version#.exe
Click on OK and OK again to finalize the settings.
To allow C:\Program Files (x86)\Dropbox\Client\Dropbox.exe to communicate through the firewall of ESET NOD32 Antivirus:
Setup --> Network protection --> At Firewall click its gear icon and click 'Configure'
Under Advanced --> Rules, click on 'Edit'
If C:\Program Files (x86)\Dropbox\Client\Dropbox.exe is not added in the list click 'Add' and ensure everything listed below applies:
In the General tab:
Name: Dropbox
Enabled: check
Direction: Both
Action: Allow
Protocol: TCP & UDP
Profile: Any profile
Logging severity: None
Notify user: blank (unchecked)
In the Local tab:
Port: blank
IP: blank
Zones: Trusted zone
Application: C:\Program Files (x86)\Dropbox\Client\Dropbox.exe
In the Remote tab:
Port: blank
IP: blank
Zones: Trusted zone