Messages being received and new software dowloads being blocked-----
No Internet There is something wrong with the proxy server or the address is incorrect. Try:
Contacting the system admin. OPTUS, they say given that I do have internet its a software problem
Checking the proxy address Running Windows Network Diagnostics Done, sends the results to Microsoft and tells you nothing.
ERR_PROXY_CONNECTION_FAILED If you use a proxy server… Check your proxy settings or contact your network administrator to make sure that the proxy server is working. If you don't believe you should be using a proxy server: Go to the Chrome menu > Settings > + Show advanced settings > Change proxy settings… > LAN Settings and deselect "Use a proxy server for your LAN".