We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Firefox crashes immediately when opened - here's info on crash: ID: ac91d5a8-a2ea-4cd9-a1a4-d63c42100628 Signature: wcscpy

more options

Firefox crashes everytime I open it and even when I have used it for a while. Signature: wcscpy Please help as this is frustrating

Crash ID(s)

ID: ac91d5a8-a2ea-4cd9-a1a4-d63c42100628 Signature: wcscpy

Firefox crashes everytime I open it and even when I have used it for a while. Signature: wcscpy Please help as this is frustrating == Crash ID(s) == ID: ac91d5a8-a2ea-4cd9-a1a4-d63c42100628 Signature: wcscpy

All Replies (1)

more options

I downgraded to 3.6.3 and still crashing. Can someone help please!