To create a name less folder
1. create a new folder
2. press f2 or rename
3. while renaming press ALT+0160 and press enter
to confirm
Actually the name of nameless folder is a white space
to delete the name less folder
in short:
1. Open a command window as administrator
2. Navigate to the folder containing the alt-0160 folder
3. Type move "alt-0160" NewName
4. Delete the NewName folder
Type like this:
type move
hit spacebar
type a quote (shift-2 on my keyboard)
hold alt then type 0160 on numerical keypad
type a quote (shift-2 on my keyboard)
hit spacebar
type a new name for the folder
hit enter