Hello and welcome..
For the connection try these...
Please click Start > Run, type inetcpl.cpl
in the runbox and press enter.
Click the Connections
tab and click the LAN settings
Verify if "Use a proxy..." is checked, if so, UN
check it and click OK/OK
Now check if the internet is working again.
Go to Start ... Run and type in cmd
A dos Window will appear.
Type in the dos window: netsh winsock reset
Click on the enter
your system to complete the process.
If needed : type these one line at a time, press enter after each line. See if it works after each.
netsh interface ipv4 reset
netsh interface ipv6 reset
WIN7.. Please Download this file, Click Me
Right-click on winsockfix.bat
and click on Run as Administrator