FavesSoft Windows Utilities
Requirements
Windows XP or later (unless otherwise noted.)
Explorer utilities require "Display full path in title bar" enabled in Folder Options.
Taskbar Gap/Work Area utilities require taskbar AutoHide disabled.
Note: Utilities tested on English Language versions of Windows.
Tray - Open or Close Optical Drive Tray

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Folder Cache : Open recent folders with a hotkey

Details and download from here
Selector - Open program with selected text, file, folder as param
or Paste Button to open editor with selected text as temp file

Details and download from here
MD5Hash - Creates MD5Sums for Files.
(32 and 64 bit stand-alone exes included)
(Windows 7 screen shot)
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Windows Error Code Lookup Tool

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