Question Images Not Displaying Correctly ver 5.013

My images have disappeared from my posts as has my avatar (I am super user....other avatars still show)
The images do not show, instead there is code ie Presentation1_2017-12-20.png where the image should appear. (see attachment) What is causing this
Have upgraded to latest version ie 5.0.13

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for me, the images are showed correctly, please try cleaning your browser cache.

I think your problems comes from the optimization tool. The address to the broken images are wrong:

The requested URL /media/kunena/avatars/resized/size144/users/xavatar418.png.pagespeed.ic.flX2gSeSHk.webp was not found on this server.

Ok Thanks for the input. So what do i have to do to fix the issue..Even with jch optimize switched off it still does not show images AND this all happened out of the blue. i had not worked on the site till before XMAS and it was fine then

I have noticed that if I click on the image html (as per the example i attached) It opens a window box and shows the image. I am confused see here www.birminghamgoldcompany.co.uk/forum/pa...ticipate-earn-points

I seem to have fixed the images but the avatars are not showing, that is everyones, Any ideas?