||To avoid unwanted advertising windows, many browsers are set to block popup windows by default.
In Google Chrome, an icon appears in the right-hand side of the address bar to show that popups are blocked. Click on it to open a menu where you can authorise an exception for the current site.
In Internet Explorer an options button appears at the bottom right of the page which will also allow you to authorise popups for the current web site.
If you're using Firefox a similar button appears at the top right hand corner of the window.
In Safari, open the"General Settings"menu and uncheck "Block popup windows".
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