Hello, I have been working on something and have run into a problem when trying to do something to all extensions. In the registry, under HKEY_CLASSES\SystemFileAssociations\, there is a list of extensions (such as .txt, .mp3, etc), and each extension has some sub-keys and values associated to it to represent things such as context menu handling and default icons. There are also groups of extensions. You will find SystemFileAssociations\image and \audio. These seem to be applied to files of those types. However, my problem occurs when I want to apply something to all file types. For simplicity's sake let's say I want to add the DefaultIcon key for all extensions. I have tried many different things, such as SystemFileAssociations\*, \*.*, \all, etc, but none of it seems to work. I know that in the HKEY_CLASSES root, there is a HKEY_CLASSES\* subkey which applies to all extensions, however there are some things I wish to do that is only available in the SystemFileAssociations\ subkey. I would also like to apply some things to Directories. There is Directory.Audio, and Directory.Video, but Directory by itself doesn't weem to work. I have searched around and have not been able to find any solutions, if anyone has any ideas I would appreciate the input. If anyone is interested in what I'm working on, it's a utility that adds a menu to the right click context menu to allow uploading of images to a couple hosts such as ImageShack. You can see it here.