Trouble Shooting 
Some of "another window" can be opened but others cannot
It may be because...
Trying to open a page linked by a "target" element.
What to do
Some Webpages designed for PC have a link to open another new window. Since NetFront has only one window, the current page must be closed to open the link.
To close the current page and open the link, tap [OK] when you prompted. Tap [Back] icon (
) to go back to the previous page.
To close the current page and open the link, tap [OK] when you prompted. Tap [Back] icon (
) to go back to the previous page.It may be because...
JavaScript is trying to open a new window.
What to do
Some Webpages that intend to crash your browser keep opening new windows, causing NetFront not being able to be operated. To prevent itself from falling into that situation, NetFront does not open a new window by JavaScript.