We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

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

I am unable to install firefox today and when i run the it a message popup saying windows smart Screen can't be reached right now

  • 1 reply
  • 1 has this problem
  • 19 views
  • Last reply by ideato

more options

Secure Connection Failed

An error occurred during a connection to www.yahoo.com. Invalid OCSP signing certificate in OCSP response. Error code: SEC_ERROR_OCSP_INVALID_SIGNING_CERT

The page you are trying to view cannot be shown because the authenticity of the received data could not be verified. Please contact the website owners to inform them of this problem.

Secure Connection Failed An error occurred during a connection to www.yahoo.com. Invalid OCSP signing certificate in OCSP response. Error code: SEC_ERROR_OCSP_INVALID_SIGNING_CERT The page you are trying to view cannot be shown because the authenticity of the received data could not be verified. Please contact the website owners to inform them of this problem.

Modified by James

All Replies (1)

more options

Hello Wangdi, check the date and time (time zone also) in the clock of your pc. Is it the correct one ?

thank you