How to remove Read-Only attribute

   1. Start Registry Editor (Regedit.exe).

   2. Locate the following registry key:

      HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\Current Version\Explorer

   3. On the Edit menu, point to New, click DWORD Value, and then type the following
       registry value name:
       UseSystemForSystemFolders

   4. Right-click the new value, and then click Modify.

   5. Type 1, and then click OK.

   6. Quit Registry Editor.

   7. After you make this change to the registry, you must change the Read-Only  
       attribute for all affected folders by using the attrib command at a command
       prompt (Command.com or Cmd.exe). Type attrib /? at th ... Read more »