Open Adobe folder and if present delete Adobe Creative Cloud folder.
Step 2)
Disable Anti-Virus and Firewall temporarily.
If you are using Anti Virus applications like Mcafee ,AVG, Notron ..etc make sure to disable their smart firewall.
Step 3)
1)Open Control Panel and then click on the option "Network and Internet" .
2)Click on Internet options, click on 'Connections' tab.
3)In the 'Connections' tab, select 'LAN' settings, you will be able to view the Local area network settings box.
4)Check the box-"Automatically Detect Settings" and then "uncheck" all the other check boxes like 'Use automatic configuration script', 'Use a proxy server' , Bypass proxy server' ,then click on ok button .
5)Click on "LAN settings" button again , make sure "Automatically Detect Settings" is the only option selected, keep the LAN properties window open.
Note : If you are using Wireless/Wifi Internet connection, if possible try with Wired Ethernet Connection.
Then try to install Adobe Creative Cloud application again .