im logged in as the administrator, using window 7, home network
We can try providing full permissions to Adobe folders under :
C : Program Files(x86) > Common Files > Adobe.
1) Right click on Adobe folder and select properties option.
Then uncheck read only option and Click on Apply.
2) Then click on Security tab.
Then click on Edit button .
3) Then click on User account named :
Administrator, System, Currently logged in user account name . Trusted installer.
Provide Full control all 4 users .
You need to select user account name and then tick the box next to Full control under Allow section .
After providing full control to all user , click on Apply and then click ok.
If you get any error , select ignore all and ignore.
Follow the same process for Adobe folder under C: > Program Files<x86) >Adobe.
Disable Anti-Virus and Firewall temporarily.
Then try to install using Creative Cloud setup file and check.