Community top-level "Options" menu dropdown stopped working? (Chrome on Win10)

[pgn]

There are a couple of places in the O2 Community Forum where a "drop-down" menu allows you to interact with the forum (talking Chrome on a Win10 Laptop here):

This from Chrome on Laptop (Win10):

The one above seems to have stopped working for me, although the lower "Topic" level one is still working:

This from Chrome:

Anyone else noticed this, or is it #JustMe?

I have just checked in my 64-bit FireFox, and the uncooperative drop-down is working in that browser, so it may just be my Chrome installation is a bit fubar'd:

This from Firefox:

Oooh. And having "Marked all messages as Read" in the Firefox browser, I find the Chrome options on that drop-down have returned:

This from Chrome:

So guess what - go into Chrome, "Mark all messages as New" (as the dropdown works with only a few messages there), and VOILA' - the Chrome top-level drop-down stops working again...

So off I go into Firefox to mark all messages as read again - sorry if I miss something "funny"

[pgn]

A complete clear-out of Chrome's cache sorted it.

If all else fails, do a spot of spring-cleaning, it seems.  

[jonsie]

Chrome links and drop downs seem to be ok on my laptop.

[pgn]

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@jonsie wrote:

Chrome links and drop downs seem to be ok on my laptop.

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Mine too, after I lost the bap and cleared *all* cached images and files.

A bit of a non-event now, probably should flag the discussion and get it deleted...

[Cleoriff]

I use FF on my laptop and it's fine. For testing purposes, just tried Chrome and that's OK as well.

SO I obviously don't need to clear out anything (just yet) 

[pgn]

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@Cleoriff wrote:

I use FF on my laptop and it's fine. For testing purposes, just tried Chrome and that's OK as well.

SO I obviously don't need to clear out anything (just yet) 

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Thanks, @Cleoriff! I found it odd that the behaviour only manifested itself when the list of discussions rolled over onto a second, or more, pages. Meh!