Why can't i connect to mywifiext.net with my Netgear WN1000rp

This sounds like an answer to someone's question? You need to click in the MY ANSWER box under the question. It doesn't work adding your ANSWER as a new QUESTION.

Have you first established the connection between the Router and the Extender?
If so, have you connected e.g. a laptop to the Extender?
So if your WLAN networks SSID is NETGEAR, the WLAN network of the Extender is NETGEAR_EXT and you have to connect the laptop to NETGEAR_EXT.
Then you have to open your favorit internet browser and have to type in www.mywifiext.net, which I guess is a buildin Setup-Assistant.If this doesn't work, make sure, your laptop is configured, to get an ip address automatically via DHCP.
Or read http://kb.netgear.com/app/answers/detail/a_id/20912