The other arrow options work perfectly!

I've now tried medium and large icons and it's still there, although the box remains the same size...

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I used the download you provided to set the clear icon so I'm not sure where...

Here you go. It's quite clear on the small icons so I've left my desktop as it is.

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Brink, thanks for these great downloads. They're very useful and I'm storing them in a folder for future use in case I need them.

You refer to a black solid square in your post. I'm not sure if...