system specs

OS: Ubuntu "zesty" 17.04 • CPU: Intel(R) Core(TM)2 Duo CPU     E7500  @ 2.93GHz (1.60GHz) • Memory: Physical: 3.7 GiB Total (2.5 GiB Free) Swap: 7.3 GiB Total (7.3 GiB Free) • Storage: 12.3 GB / 151.7 GB (139.4 GB Free) • VGA: Intel Corporation 4 Series Chipset Integrated Graphics Controller @ Intel Corporation 4 Series Chipset DRAM Controller •

issue with program Thunderbird version 52.2.1

tesko@battersea:~$ 
-- Exception object --
+ _message (string) ''
+ stack (string) 343 chars
+ code (number) 0
+ uri (string) 'http://autoconfig.yahoo.com/mail/config-v1.1.xml'
+ constructor (function) 6 lines
+ message (string) ''
+ toString (function) 4 lines
*
-- Stack Trace --
Exception@chrome://messenger/content/accountcreation/util.js:137:5
ServerException@chrome://messenger/content/accountcreation/fetchhttp.js:261:3
FetchHTTP.prototype._response@chrome://messenger/content/accountcreation/fetchhttp.js:189:19
FetchHTTP.prototype.start/request.onerror@chrome://messenger/content/accountcreation/fetchhttp.js:117:36