title: directory lookup for the file failed with the operating system error 5(access is denied.)
body: <p>I had SQL Server 2008 R2. I uninstalled it and installed SQL Server 2012 - now I can't attach database or back up database because I have error:</p>
  
  <p>directory lookup for the file failed with the operating system error 5(access is denied.)</p>
  
  <p>What should I do? :(</p>