Error 105 net err_name_not_resolved

It looks to me is a Name Resolution problem. The problem is with the DNS Server.

1. Do you have a Firewall or an Antivirus suite Installed? Please let me know in the next comment.
2. Then you have to check your DNS settings. IF you have use Router to perform DNS resolution, you have to check the Router's Diagnostics. You have to check the DNS server which the router connects. If it is internal, you may be having an IP Address misconfiguration. You can solve it by going to the Network and Internet connections (Control Panel Applet).
3. Right click the LAN icon and go to Properties and then Double click TCP/IP properties. Check whether you have assigned a DNS automatically. If you know the address of the Local DNS (if you have one), please specify the IP Address of DNS "Manually".
4. Right click the Icon above mentioned and select "Stats".
5. Click on "Support" and then "Details".
6. Check whether the DNS, DHCP (if available) and Default Gateway (your router most probably) are set Properly.
7. If all the settings are properly assigned, then you have to check your Antivirus suite and its Firewall (or Windows firewall if you have Modified the settings recently). Try Disabling.
8. If you still receive the error, you have to clear your DNS cache.
9. Click Start =>Run, type in cmd, press OK.
10. Type in ipconfig /flushdns and hit Enter.
11. Then again type ipconfig /registerdns. (You can view DNS Resolver Cache by using ipconfig /displaydns command). Clear your Browser's Cookies as well. You can do that by going to Tools => Internet Options.
12. If non of these works, you have to try this method.
13. Click Start =>Run, type in CMD, press OK.
14. Copy and paste this into the Command prompt:
15. netsh winsock reset catalog
16. Press Enter
17. Then copy and paste this in:
18. netsh int ip reset reset.log
19. Press Enter.
20. When finished restart your computer.