I have got this problems, you just need to do it:
Isn't so hard, try and you will can connect .
How To: Flush Your Local DNS Cache
Windows Vista/Windows 7:
Click on Start, followed by All Programs, and then Accessories.
Right-click on Command Prompt and choose Run as Administrator.
In the Command Prompt window type in the following command and press Enter:
ipconfig /flushdns
If all goes well, which it should, you will see the following confirmation message:
Successfully flushed the DNS Resolver Cache.
Windows XP
Click on Start, followed by All Programs, and then Accessories.
Click on Command Prompt.
In the Command Prompt window type in the following command:
ipconfig /flushdns
and press Enter. You should see the following confirmation message:
Successfully flushed the DNS Resolver Cache.
Isn't so hard, try and you will can connect .