Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

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

This thread was archived. Please ask a new question if you need help.

https certificate fails even for google after installing last releasr

  • 1 reply
  • 1 has this problem
  • 6 views
  • Last reply by philipp

Hans_Metselaar
Hans_Metselaar
more options

since today even google fails. firefox support does not work either how to restore previous version

since today even google fails. firefox support does not work either how to restore previous version

Chosen solution

hi, this is likely your avast/avg security software tampering with encrypted connections. please either try to reinstall your security software or else follow the more specific steps for it at How to troubleshoot security error codes on secure websites.

Read this answer in context 👍 1

All Replies (1)

philipp
philipp
  • Moderator
more options

Chosen Solution

hi, this is likely your avast/avg security software tampering with encrypted connections. please either try to reinstall your security software or else follow the more specific steps for it at How to troubleshoot security error codes on secure websites.