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Jess M.
Jess M., Computer Support Specialist
Category: Software
Satisfied Customers: 535
Experience:  Computer Software Support specialist for more that 10 years
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When checking updates, I ge the following error message:

Customer Question

When checking for any updates for Firefox, I ge the following error message:
THERE WAS A PROBLEM CHECKING FOR,DOWNLOADING, OR INSTALLING THIS UPDATE. FIREFOX COULD NOT UPDATE BECAUSE:
UPDATE XML FILE NOT FOUND (404)
Submitted: 1 year ago.
Category: Software
Customer: replied 1 year ago.
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call. Let me know if you need more information, or send me the service offer(s) so we can proceed.
Expert:  neelimark replied 1 year ago.

Hi

Expert:  neelimark replied 1 year ago.

If you're running a firewall like Kaspersky, try doing this:

traffic monitoring ----> encrypted connections ----> check all encrypted connections.

if the checkbox is checked, make sure you uncheck it.. Then try to update firefox

Customer: replied 1 year ago.
I have another computer downstairs that has been off for a month while I was on vacation. When I checked it, it also has the same error message and both computers never acted this way before. Could it be on the Mozilla side??
Expert:  neelimark replied 1 year ago.

Do you use any firewall at home ?