When click on my icon of firefox, I get "404 Not Found. The requested URL was not found on this server"worked fine until yesterday.

I don't know what other information you give. I can't go to my start page for firefox. Firefox has not been deleted. I downloaded and reinstalled several times and still get the same message when I try to open it.

The local part (en-US) seems to be missing from the URL:

The current versions of Firefox use the build-in on: home page to home as shown above, so you can change the home page to this URL.

Tags: Firefox

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