Creative Cloud installation error code 42: installer was unable to access critical file / folder.

Hi Akmar72012726,

As you have mentioned that you get "Error code 42" while installing Creative Cloud desktop app. I would like to know if you have tried the steps provided by Jacob. In case you still need assistance, please try the steps mentioned on this link: -Error code 43 when installing Adobe Creative Cloud and share the results.

Thanks.

Moving to Creative Cloud Download & Install​ for further assistance.

Regards,

Om

akmar,

You may try to run the Cleaner Tool, see link below, then start over.

http://www.adobe.com/support/contact/cscleanertool.html

Or you may try to look here:

Error downloading or updating Adobe Creative Cloud apps