Winamp associates files without extension to itself

[ElmoTheGreat]

first, is to open the windows explorer. Select Tools Menu -- Folder Options -- File Types tab. It should appear as the first entry entry in the list (having no extension). You can simply delete the file type association, or edit it to use Notepad, or some other editor for unknown types.

Second solution is to edit the registry directly. Run regedit from the command line ("Run" in start menu), and look for the first key under HKEY_CLASSES_ROOT. It should be a folder with an asterisk(*) next to it. Again, you can simply delete this key, or modify it's values to cause it to open with another program (not recommended for novices).