For example, a common port for proxies is 8080.ĭropbox can also fail to connect due to proxy settings which may have been changed either by other programs or by your network administrator. Select the 'Proxies' submenu or tab.ĭropbox proxy settings allow you to set the proxy type, server, port, and login information.

If you have a proxy set up on your computer or network, please enter your proxy host and port information into the Preferences panel of the Dropbox desktop application.ġ) Locate the Dropbox icon and menu from the system tray.Ģ) Right-click on the icon to access the Dropbox desktop application menu.ģ) Click on the gear icon in the Notifications panel.Ĥ) Select 'Preferences' from the Dropbox menu. To ensure this is working properly, your system time should be correct and your security applications should allow Dropbox to connect. The Dropbox client uses SSL to establish a secure connection to our servers.

This usually means there is a security program, proxy or VPN blocking the Dropbox desktop client. If you have any of the mentioned software running, please either add Dropbox to its whitelist, remove Dropbox from its blacklist, or temporarily disable or uninstall them.