WIN8 Update prompts Preview installation cannot complete how to resolve

recently some users reflect that when the download will be prompted to "Windows 8.1 Preview installation can not be completed", how to do ?

Troubleshooting Update prompts Preview installation failed to complete the operation steps:

1, at the same time press win key +r, enter ncpa.cpl in the Run window, then right you connect network (such as local connection), choose "attribute";

2, then choose Internet Protocol version 4 (TCP/IPV4), click "Properties";

3, continue in the Internet Protocol version 4 (TCP/IPV4) Properties window, check "Use the following DNS server address;"

4, then in "Preferred DNS server" input 4.2.2.2 (8.8.8.8 also try), determine;

5, after the setup, reconnect to the Internet, try to download.