add a blank file to the windows 'new' context menu

Create a genericFile.reg with the following content and add it to the registry. This will add a new context menu entry called "Generic file". A reboot may be required in order to let the entry appear. Or simply use Shell New Handler and tick/untick the entry for the .dummy once.

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\.generic]
@="genericfile"

[HKEY_CLASSES_ROOT\.generic\ShellNew]
"NullFile"=""
"IconPath"="%SystemRoot%\\System32\\imageres.dll,2"

[HKEY_CLASSES_ROOT\.generic\ShellNew\Config]
"NoExtension"=""

[HKEY_CLASSES_ROOT\genericfile]
@="Generic file"