Program Association error on opening drives or folders

Error while double click opened the Folder or Drives.

Applies to: Windows 7 operating system

Issue: 

• When opening a folder or drives using double click gives a program association error.
• Folder are accessible using right click explore or right click open.
• When right clicked for options in folders or drives, the primary command/program set to open drives or folder is “Explore”.
• Files & application opens using double click open command/program

Resolution:

•  This above given issue happens because there is no primary command/program set to open drives or folder.
• Since the files and applications opens directly by double click open command/program, there is some file association problem in executing the folder shell.
• Two way of resolving the issue:
• Type 1
• Click on StartàRunàtype RegeditàEnter
• You will gain access to registry editor.
• Here navigate to HKEY_CLASSES_ROOTàFolderàshell
• On the right panel or shell, you will find a string named “(Default)”
• If the Data set in the (Default) string show “No/blank entry”
• Double click the (Default) string.
• In value data enter Open
• Log off the system and re-login.
• This should resolve the issue. 
• Type 2
• link: http://www.mediafire.com/?p8bsa0fwsltp8ho
• Download the given registry file, which has default folder settings.
• save the file in any location and run the file.
• This should resolve the issue.