You may be unable to remove the Read-Only attribute from a folder using Windows Explorer. In addition, some programs may display error messages when you try to save files to the folder.
This behavior occurs because the folder is customized. You can customize a folder by clicking Customize this folder on the View menu. Many programs also customize folders (for example, the Fonts folder comes with a customization as part of the standard system configuration).
This behavior is by design.
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows
Windows Explorer uses the Read-Only attribute to determine whether or not the folder is customized. To work around this behavior, you can configure Windows Explorer to use the System flag instead of the Read-Only flag. To do this, use the following steps.
NOTE: Some programs do not operate correctly with folders that have the System attribute configured.
On the Edit menu, point to New, click DWORD Value, and then type the following registry value name:
Right-click the new value, and then click Modify.
Type 1, and then click OK.
Quit Registry Editor.
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 the command prompt to view the syntax for the attrib command. For example, to change the Read-Only attribute to System for the C:\Test folder, use the following command: