Install a quickstart twice and you get this
http://screencast.com/t/Ptqsqevoe

Title: "Overwrite"
"There is the '<name>' project on the destination path:

Would you like to overwrite it ?"

Should this dialog actually have a Warning icon or similar and be worded a bit more assertive and not have blank fields - like:

Title: "Warning: Directory already exists"
"The project '<name>' already exist at '<actual path>'.

Do you wish to overwrite this directory ?

This cannot be undone"

This is assuming it is actually a project and not a directory.

btw. is the directory actually overwrittten or actually just copied on top ?