During the installation of SP2013 RTM I got the following error:
error writing to file: Microsoft.Office.Server.Search.dll verify that you have access to that directory.
I was using the SW_DVD5_SharePoint_Server_2013_64Bit_English_MLF_X18-55474.ISO mounted to Oracle VM.
After several attempts & re-installing Windows Server 2008 R2 Sp1 without any result, I decided to get a new .ISO file: en_sharepoint_server_2013_x64_dvd_1121447.ISO
Now the install run like a charm :)