How to enable cookies in your browser for LastPass.
Chrome: Please see https://support.google.com/chrome/answer/95647. Either choose the recommended option,' Allow local data to be set', or list lastpass.com as an exception.
Firefox: Please see https://support.mozilla.org/en-US/kb/websites-say-cookies-are-blocked-unblock-them.
Internet Explorer: Please see http://windows.microsoft.com/en-us/windows-vista/block-or-allow-cookies. Either use the default Medium setting or add lastpass.com as an exception.
Safari: Please see http://support.apple.com/kb/PH19214. Choose 'Always allow'.
Other Extensions/Programs: Some other extensions and programs, such as antivirus software, may also remove cookies from your browser. Please disable them or add lastpass.com as an exception.