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.

Avatar for Username

Search Support

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

Echekwara usoro a. Biko jụọ ajụjụ ọhụrụ ma ọ bụrụ na ị chọrọ enyemaka.

whenever i want to install adblock plus its shows an error message as " because: Signing could not be verified. -260"

  • 2
  • 24
  • 5 views
  • Nzaghachi ikpeazụ nke max075

USB007
USB007
more options

WHENEVER I WANT TO INSTALL ADBLOCK PLUS IT SHOWS AN ERROR MESSAGE "because: Signing could not be verified. -260"

WHENEVER I WANT TO INSTALL ADBLOCK PLUS IT SHOWS AN ERROR MESSAGE "because: Signing could not be verified. -260"

All Replies (2)

the-edmeister
the-edmeister
  • Moderator
more options

Why are you still using that old 3.5b4 version of Firefox?

The latest versions of Adblock Plus need 3.5 or higher - 3.5b4 may not be compatible.

max075
max075
more options

the ad-blocking extension "Adblock Plus" is now available for Google Chrome and can be downloaded from "https://chrome.google.com/extensions/detail/cfhdojbkjhnklbpkdaibdccddilifddb maybe will help you , you will find info on that site