Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Buscar en Ayuda

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Every time I open the Firefox browser first shows the original browser and immediately appears another Firefox browser with another subjects and stay that way

  • 1 respuesta
  • 1 tiene este problema
  • 11 visitas
  • Última respuesta de FredMcD

more options

It seems to be that there is an impostor in my Firefox browser, every time I open the Firefox browser immediately appears a second browser looking as a Firefox browser but this one takes off the original one and leave the impostor browser. Please help. Thank you

It seems to be that there is an impostor in my Firefox browser, every time I open the Firefox browser immediately appears a second browser looking as a Firefox browser but this one takes off the original one and leave the impostor browser. Please help. Thank you

Todas las respuestas (1)

more options

Your words are confusing. What is in the other unwanted window?

You may have ad / mal-ware. Further information can be found in the Troubleshoot Firefox issues caused by malware article.

Run most or all of the listed malware scanners. Each works differently. If one program misses something, another may pick it up.