I have problem when someone register for membership request after filling the information (Username,Name,Email,..etc) after that get the page:
That's actually a configurable value in the web part properties. I believe that by default it returns to the page it was on, so somebody has probably changed the value. But you can simply edit the web part and put whatever URL you'd like it to go to.
Very thanks to you,I removed the web part and add it again,it worked good now :)