Apparently you do have write privileges to that folder.

cancel the text editor (Notepad) don't save.

At the top of the Nautiluscoin wallet you should see "File" "Settings" and "Help"
Click "Help" then click "Debug window" then click the "Console" tab

On the line at the bottom of the window type each line one at a time.

addnode 54.187.96.217 add    press enter
addnode 52.0.108.136 add    press enter
addnode 70.163.93.51 add    press enter
addnode 70.163.93.50 add    press enter

Click on the "Information" tab and you should see connections and Current number of blocks incrementing.