What is wrong when I keep getting "Secure Connection Failed" message?
Why am I getting the msg "Secure Connection Failed" on most sites I used to be able to access before power outage?
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Rename (or delete) secmod.db (secmod.db.old) and maybe also cert8.db (cert8.db.old) in the Profile Folder in case there is a problem with the files. The file cert8.db stores your user certificates, so if you have user certificates then you may want to export them now and import them after having removed cert8.db. See Tools > Options > Advanced > Encryption: Certificates: View Certificates If that works then you can delete the renamed files or undo the changes if you want to revert the process.