Fix slowness, crashing, error messages and other problems

Procedures to diagnose and fix problems

  • Rebuilding the Global Database The Global Database, Gloda for short, is part of the indexing system that enables the search function. Rebuilding the Global Database will initiate a re-indexing of emails and address book cards (newsgroup messages are not indexed).
  • Cannot delete messages This article explains how to fix issues with message deletion caused by a corrupted trash folder.
  • Safe Mode TB '''Safe Mode''' is a special Thunderbird execution mode that can be used to troubleshoot issues in Thunderbird. In Safe Mode, you can reset some settings or disable add-ons that might be the source of problems. By comparing Thunderbird behavior in normal mode to its behavior in Safe Mode, you can find out if problems are being caused by a specific add-on.
  • Cannot Send Messages If you cannot send messages, this page provides a series of steps you can use to check for common problems.