- 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.
- Plugin Crash Reports TB This article describes what happens when a Thunderbird plugin (such as Adobe's Flash player) crashes, and how Thunderbird crash reports are handled.
- Mozilla Crash Reporter TB The Mozilla Crash Reporter sends crash information to a collection system when Thunderbird crashes. Thunderbird developers use this information to make future versions of Thunderbird crash less frequently.