Thunderbird issues after updating Avast Antivirus Updated on October 13, 2020 by InMotion Hosting Contributor 0 Minutes, 27 Seconds to Read Issue: There are reported issues with Thunderbird, after a recent update to Avast antivirus software. Who is impacted? Thunderbird users who recently updated their Avast antivirus software. Why is this happening? A recent Avast update, seems to cause problems when it scans the Thunderbird Profile folder. For more information, see this post in the official Thunderbird Support forums. What should I do? Exclude your Thunderbird profile folder from Avast Antivirus scans. This is covered in Avast’s official Technical support guide on How to exclude certain files, programs, or websites from scanning. Share this Article IC InMotion Hosting Contributor Content Writer InMotion Hosting contributors are highly knowledgeable individuals who create relevant content on new trends and troubleshooting techniques to help you achieve your online goals! More Articles by InMotion Hosting Related Articles Set Up MX and SPF Records for InMotion Hosting Professional Email How to Purchase InMotion Hosting Professional Email in AMP How to Import Email Accounts and Forwarders into cPanel How to Configure Mailbox Quota Notifications How to Login to SquirrelMail SpamAssassin: Fighting Spam How to Fix the “550 No Such User Here” Email Error How to Setup an Email AutoResponder in cPanel Logging into Horde How to Change an Email Password in cPanel and Webmail