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How do I get rid of "page loading error" icon when it's shown as favicon bookmark of page that doesn't have its own favicon?

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A specific page I had bookmarked doesn't have a favicon. The server was unreachable at one point. The icon for page loading error, yellow triangle with exclamation point, became associated with the page in the bookmarks file. How do I disassociate the bookmark from the icon for page loading error?

Removing the bookmark didn't work, even if I ended the Firefox process prior to re-bookmarking it.

Where are favicons stored for pages I've removed bookmarks of?

A specific page I had bookmarked doesn't have a favicon. The server was unreachable at one point. The icon for page loading error, yellow triangle with exclamation point, became associated with the page in the bookmarks file. How do I disassociate the bookmark from the icon for page loading error? Removing the bookmark didn't work, even if I ended the Firefox process prior to re-bookmarking it. Where are favicons stored for pages I've removed bookmarks of?

All Replies (2)

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Favicons usually expire after some time, but I don't know how long this takes.

See also:

Try to remove all data stored in Firefox from that domain via "Forget About This Site" in the right-click context menu of an history entry (Show All History or History sidebar) or via the about:permissions page.

Using "Forget About This Site" will remove all data stored in Firefox from that domain like bookmarks, cookies, passwords, cache, history, and exceptions, so be cautious and if you have a password or other data from that domain that you do not want to lose then make a note of those passwords and bookmarks.

You can't recover from this 'forget' unless you have a backup of the affected files.

It doesn't have any lasting effect, so if you revisit such a 'forgotten' website then data from that website will be saved once again.

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I had turned off default setting. I don't save history after I close the session, and I don't save the cache. Upon closing, I clear everything but cookies. There are no site-specific history entries under Show All History or about:permissions.

This must be cached in still another location.