When you click the Windows Explorer shortcut which is Pinned to the Taskbar, or when running explorer.exe directly in Windows 7, the following error message may be displayed with text "explorer.exe" in the title bar.

This file does not have a program associated with it for performing this action. Please install a program or, if one is already installed, create an association in the Default Programs control panel.

And using the WinKey + E key sequence causes "Unspecified error"

However, Windows Explorer may launch correctly when including additional switches such as /e or /n with explorer.exe, or double-click the (My) Computer icon. This problem occurs due to missing data in the "HKCR\Folders" registry key.

Registry Fix

To fix the problem download Folder association fix (via) unzip and run the REG file. You should be able to start Windows Explorer correctly!

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  1. said this on Saturday, September 12th 2015 1:38 pm

    Thank you very much Sir! I’ve been finding a perfect solution for months now. Thank God I found your solution. God bless

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