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A bit of malware recently overwrote a load of about:config settings in firefox. I've managed to reset them all apart from that when I open a new tab the address bar is no longer focused. Does anyone know which about:config property I should alter to change this

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Things to try:

  1. Start Firefox in Safe Mode. If that helps, an add-on or extension is to blame and you'll probably have to disable them one by one to identify the culprit.

  2. Change browser.newtab.url from about:newtab to about:blankabout:home or your favourite site.

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