670464 - Consistently receiving a warning regarding attempts to download unverified updates

Status: RESOLVED DUPLICATE of bug 653830

(Firefox :: General, defect)

Description

[mchowllives]

User Agent: Mozilla/5.0 (Windows NT 6.0; WOW64; rv:2.0) Gecko/20100101 Firefox/4.0
Build ID: 20110318052756

Steps to reproduce:

I access the internet quite frequently, usually at least several times a day. Firefox functions quite normally, but then suddenly becomes incredibly slow.


Actual results:

Within a minute of the unexplained slowdown, I receive a warning message that "some website" is attempting to trick Firefox into accepting an "unverified" update, and that I should alert my network administrator. I have received this warning at least once per day, every day, for the last week.


Expected results:

I would simply like to know if there is some way of finding out what this "unverified update" is-I need more information regarding the attempt in order to put a more permanent stop to it. Or, perhaps this is a known issue and I simply don't know it. In either case, can someone please tell me why this keeps happening?