If you work behind a proxy server, ensure that you bypass
localhost under proxy settings. You can skip this step if you
have a direct Internet connection.
You can find this option under SettingsandWiFi. Ensure that
WIFI is turned ON. Long press on the WIFI network that you want
to connect to. Then, chooseModifynetwork.
Check ShowAdvancedOptions checkbox.
Add an entry for 127.0.0.1 to bypass the localhost.