Lookup a crash
If you have a crash report from Minecraft (read: your game crashed and gave you a big wall of text), then you can use this tool to find out if that crash has been reported already. Simply copy the crash report (large wall of text) from Minecraft, paste it into the field below and we'll redirect you to a page will all known information about that crash. If you already closed Minecraft, you can find a copy of all crash reports at .minecraft/crash-reports/