Installing Reporting Services - Native (SQL Server 2014) error

Question

When I try to install Reporing Services on existing instance in SQL Server I receive the following error:

I've tried to do steps described here ( http://lokna.no/?p=1180 ), but it didn't help. How can I solve problem and install Reporting Services successfully?

Answer 1

I don't know why, but uninstalling Avast helped. Thanks to this post https://social.technet.microsoft.com/Forums/en-US/b6533a3a-f215-4d8c-bef9-c8dcdbe253bd/sql-server-2014-on-windows-81-setup-failure-cwindowstemp-folder?referrer=http://social.technet.microsoft.com/Forums/en-US/b6533a3a-f215-4d8c-bef9-c8dcdbe253bd/sql-server-2014-on-windows-81-setup-failure-cwindowstemp-folder?forum=sqlsetupandupgrade