Error code: E00084AF - Directory or file was not found or accessed Could Not Be

Dear, 
I'm having trouble with Backup Exec 2012. 
The full backup fileserver, is presenting glitches in some folders. 
The error code is: e00084af - Directory or file was not found or accessed Could Not Be 
The fileserver and Backup Exec server, both are windows 2008 R2. Both are with all updates installed, including backup exec. 

read more