approximately every fifth news item disappears immediately and cannot click on it
When I click on the arrow to move to the next item image, approximately every fifth item disappears immediately. Doesn't even remain long enough to click on it.

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MidiMagic commented
This is a problem of the page being designed by a bad programmer for a widescreen monitor or for a high resolution display, and the user not having that capability.
Stop using frames, Yahoo. The World Wide Web Consortium deprecated them 10 years ago. Browsers no longer treat them in a predictable way. When frames appear in a web page, it throws the browser into quirks mode. Then the browser is trying to figure out what was meant to be displayed, and it often gets it wrong.
Any web page with frames in it may display in a strange way on any monitor or browser other than the one the programmer used.
This also happens if the pixel widths of the items in a straight line are wider than the pixel size of the screen. It mashes the parts together, with some overlapping others. Frames complicate this,l by not showing the horizontal scroll bar where it is needed.