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 Open Certificate is not valid all of a sudden 1 reply 0 have this problem 90 views Thunderbird Encryption asked 3 months ago Matt replied 3 months ago bill383 3/5/26, 10:43 AM Can not get into account all of a sudden Can not get into account all of a sudden Attached screenshots I have this problem, too All Replies (1) Matt Top 25 Contributor 3/5/26, 6:22 PM disable your antivirus email scanner and see if the problem goes away. It usually does. disable your antivirus email scanner and see if the problem goes away. It usually does. Ask a question I have this problem, too You must log in to your account to reply to posts. Please start a new question, if you do not have an account yet.