Confirming since I've experienced this bug too. I suspect this may be a duplicate of bug 274064 just with different symptoms. Namely, I think both are caused by the way Firefox and its libraries move around when version changes occur.
Confirming since I've experienced this bug too. I suspect this may be a duplicate of bug 274064 just with different symptoms. Namely, I think both are caused by the way Firefox and its libraries move around when version changes occur.