If you need to restore missing content files, running the Autodesk Revit Content Libraries reinstall process will accomplish this goal.
AUTODESK BACKBURNER 3DS MAX 2016 INSTALL
If a non-deployment install is utilized to configure multiple servers, each user's roaming profile settings are restored to the default values as the user logs into different servers. This ensures each user's roaming profile is properly initialized when the user logs into different servers. It is recommended that Autodesk Revit is installed from the same deployment when installing to multiple computers in a networked environment. Roaming Profiles in a Networked Environment When using the Single Shared Folder option to create a deployment image, specify a folder name to avoid creating an invalid deployment image. Single Share Folder Option for Deployment Images
AUTODESK BACKBURNER 3DS MAX 2016 WINDOWS
To avoid this, ensure that you have Write permission on your Microsoft Windows machine when creating your deployment with the Custom Folder option. If you specify a folder location that has Read Only permission at the user level according to the Microsoft Windows User Access Control, then Autodesk Revit may become unstable. In the Autodesk Revit 2016 Deployment Wizard, the Path for Configurable Folders allows you to specify a custom folder in which to copy support content. To prevent this error set the User Access Control in the Windows Control Panel to Never Notify. When installing or uninstalling, the procedure may fail if content had been redirected to a shared network location using a mapped drive. Install or Uninstall may fail if content is on a shared network location using a mapped drive Before you install Autodesk Revit 2016, close all applications.