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I am not able to go to firefox sync page. It throws an SEC_ERROR_UNKNOWN_ISSUER

  • 4 replies
  • 1 has this problem
  • 2 views
  • Last reply by Alok1912

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Not able to go to sync page or go to accounts.firefox.com on Firefox. Able to access same on Chrome

Not able to go to sync page or go to accounts.firefox.com on Firefox. Able to access same on Chrome

Chosen solution

thank you. it appears like your secure connections are intercepted by adguard. please either uninstall that software from your device and use an integrated adblocker like https://addons.mozilla.org/firefox/addon/ublock-origin/ or see https://kb.adguard.com/en/windows/solving-problems/connection-not-trusted

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All Replies (4)

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hi, please give us more information about the error by clicking on the error code, copying the text to the clipboard and then pasting it here into a reply in the forum like shown in the screenshot.

thank you!

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https://accounts.firefox.com/

Peer’s Certificate issuer is not recognized.

HTTP Strict Transport Security: true HTTP Public Key Pinning: true

Certificate chain:


BEGIN CERTIFICATE-----

MIIDpzCCAo+gAwIBAgIRAKknwrQO1Fqzopdz6C5vhZEwDQYJKoZIhvcNAQELBQAw KzELMAkGA1UEBhMCRU4xHDAaBgNVBAMME0FkZ3VhcmQgUGVyc29uYWwgQ0EwHhcN MTcwMjE0MDAwMDAwWhcNMjAwNTE0MTIwMDAwWjCBjzELMAkGA1UEBhMCVVMxEzAR BgNVBAgTCkNhbGlmb3JuaWExFjAUBgNVBAcTDU1vdW50YWluIFZpZXcxGzAZBgNV BAoTEk1vemlsbGEgRm91bmRhdGlvbjEXMBUGA1UECxMOQ2xvdWQgU2VydmljZXMx HTAbBgNVBAMTFGFjY291bnRzLmZpcmVmb3guY29tMIGfMA0GCSqGSIb3DQEBAQUA A4GNADCBiQKBgQDd9Je7Vxv1ILnLS4OIv/sgi+aVORpomLThtq9pDG0ntZrBJPmc 2diQVNrblRWdvl1MRSxP3uwyq9Kq/GD86/equF7m+oGOJ26VvTmnPPS6jjhR5SBz NfUSLwPNiQNtNCypy+uuCm668FWD0rFy7Hg/bU6V7zn4/LVQjba3nh0C8wIDAQAB o4HkMIHhMIGxBgNVHREEgakwgaaCFGFjY291bnRzLmZpcmVmb3guY29tghhhcGku YWNjb3VudHMuZmlyZWZveC5jb22CG3NjcnlwdC5hY2NvdW50cy5maXJlZm94LmNv bYIddmVyaWZpZXIuYWNjb3VudHMuZmlyZWZveC5jb22CGm9hdXRoLmFjY291bnRz LmZpcmVmb3guY29tghxwcm9maWxlLmFjY291bnRzLmZpcmVmb3guY29tMAwGA1Ud EwEB/wQCMAAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMA0GCSqGSIb3 DQEBCwUAA4IBAQBkYuTlQZnwFLNnRL10qyhVl+Flqm3eeE64OOa1w+1BW0lup3aE YBl3G4pLFY2iSIFRQMuAZdr/c0NM21NIyQnFugP4+QfaDIS+79oRUk3rq00F9VJu qQ/DTIKMcBtDy4TW7SCBz7lz0zWRIOrTT3YqzVfB4lj3rMVFxhwYTKV0/GYqkHM7 jTq+hbiSDflzBXkFnJJvwhWbDZkm53JIYS8L+2KVS2vsPLR7XJq53aeOr8rnzr4w VNHDed7T+wABkGnrgbouqeW/znZiDIPmYL1/FLAnRvdTcdjYoqWBxlFgO4IHl83T DvK2ViN3VHpRcnvdFwq88/aV3zRIbw5Sc08X


END CERTIFICATE-----
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Chosen Solution

thank you. it appears like your secure connections are intercepted by adguard. please either uninstall that software from your device and use an integrated adblocker like https://addons.mozilla.org/firefox/addon/ublock-origin/ or see https://kb.adguard.com/en/windows/solving-problems/connection-not-trusted

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Thank you. Disabling adblocker and then doing it worked.