13 new tab Firefox opens the page with the error "page is not valid.

Installed version Firefox 13. New tab button, new tab or Ctrl-T file results in message:

The address is not valid
The URL is not valid and cannot be loaded.

The Web addresses are usually written as
Http://www.example.com/
Make sure that you use slashes (i.e. /).

I found a solution that solved my problem. I went in: config, browser.newtab.url and changed the subject: newtab to about: blank. I am very happy that I can add new tabs without error and the white page works for me.

Thanks for the suggestions.

Tags: Firefox

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