Since the start of this week, when I try and look at an online newspaper www.telegraph.co.uk then as soon as the home page has been ?built, the slider bar just vanishes and the screen expands to fill the space. This makes it impossible to navigate the page !. For a period of a second or so the slider bar is visible and can be grabbed with the mouse and the page contents moved up and down, but as soon as the slider bar vanishes the page is locked in its current position. Ctrl-F5 does not fix it.
Not every page on this online newspaper suffers from this fault, they have a section called Market Details which gives access to UK and world stockmarkets and all those pages show the slider bar correctly allowing me to view the entire page.
This odd behaviour vanishes if I pause Kaspersky Internet Security (184.108.40.2065(k)). PC is Windows 10 Pro 32 bit. Strange behaviour happens on Firefox (latest Vsn), Edge and Chrome.
No other online newspaper, or indeed any of the sites that I regularly look at have this problem, *only* the one shown above.