If it happened again, you can try "Clear Recent History", choose Everything

We're sorry to hear that Firefox is crashing. In order to assist you better, please follow the steps below to provide us crash IDs to help us learn more about your crash.

1. Enter about:crashes in the Firefox address bar and press Enter. A Submitted Crash Reports list will appear, similar to the one shown below.
2. Copy the 5 most recent Report IDs that start with bp- and then go back to your forum question and paste that into the "Post a Reply" box.

Thank you for your help!

More information and further troubleshooting steps can be found in the Troubleshoot Firefox crashes (closing or quitting unexpectedly) article.

bp-dc48366b-db7d-495c-a355-4a4532140527 bp-7648d1f1-062b-49e0-8c20-da2752140527 bp-b3128cf0-1a8f-45c7-adeb-20a5a2140526 bp-83967b20-c6f0-4a18-807e-7348c2140526 bp-49ddf6f6-3eba-47d4-b7cf-0a93a2140525

Any updates so far? Here is my most recent crash:

bp-1f7c5178-1c9a-46b2-bad3-bc83a2140601