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It's a Linux box with cpanel setup.
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Infact it's only files which have index in the file name and are HTML. For example, index-3.html is affected whilst index-3.php and tester.html are not.
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Infact it's only files which have index in the file name and are HTML. For example, index-3.html is affected whilst index-3.php and tester.html are not.

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Do you have an 'htaccess' file that changes or rewrites anything?
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Do you have an 'htaccess' file that changes or rewrites anything?

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Yes, I did at one point. I've since removed it but I guess it's still cached.
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Yes, I did at one point. I've since removed it but I guess it's still cached.

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Try &quot;index-3.htm&quot; and see if that loads.
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When a user visits a site I've put together the site forces a download of the HTML files rather than display them - what's going on?!
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When a user visits a site I've put together the site forces a download of the HTML files rather than display them - what's going on?!

My web site pushes a download of index.html instead of displaying

HTML (HyperText Markup Language) is the main markup language for creating web pages and other information to be displayed in a web browser, providing both the structure and content for what is sent from a web server through the use of tags. The current implementation of the HTML specification is HTML5.

HTML

Adobe Flash (formerly Macromedia Flash) is a cross-platform multimedia and software platform used to embed animations, video, and interactive applications into web pages and desktop and mobile applications and games. Flash displays text, vector and raster graphics to provide animations, video games and applications. It allows streaming of audio and video, and can capture mouse, keyboard, microphone and camera input. The ActionScript programming language allows creation of interactive animations, video games, web applications, desktop applications and mobile applications.