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 Transferring Emails from Your Old Host to InMotion Hosting How to Setup Office 365 DNS Records How to fix OLMAPI32.dll and WWLIB.dll error in Outlook 2013 How to Setup Outlook 2016 for Mac Issues with Outlook 2007 Running on Windows 10 Outlook not working after installing Windows 10 IMAP Issues Affecting Outlook 2013 and Office 365 Outlook 2013/Office 365 – Subscribing to your Inbox How to create an email signature in Outlook 2003 How to create an email signature for Mac in Outlook 2011