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Mozilla Customer Care Service

Mozilla Corporation

331 E. Evelyn Avenue
Mountain View
California
United States - 94041

Customer Support Phone Numbers

Phone:
1 800 986 4764 0 8
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Portland
Brewery Block 2
1120 NW Couch St, Suite 320
Portland, OR 97209

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2 Harrison Street
Suite 175
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Mozilla Complaints & Reviews

Mozilla / Mozilla Firefox

W0
W00die on Nov 28, 2016
MOZILLA FIRE FOX gets crappier and crappier over time 2 yrs or more I got rid of Google because it would crash having 3 or 4 tabs open, now firefox is doing it constantly too - I try to close a tab and all the tabs crash then all of the tabs have to reload after the crash .. I keep getting...

Mozilla / Firefox

Ea
eataforeskin on May 9, 2016
brand new hard drives. installed firefox and then installed kaspersky total right behind it. firefox would not let me connect to comcast mail afterward. i'm about to s**t in a box and mail it to mozilla just so they can compare my t**d to their browser. firefox used to be the way to...

Mozilla Firefox / yahoo mail

Co
Connie R. Williamson on Apr 5, 2016
SECURE CONNECTION FAILED is the message I now get every time I try to access my mail on Yahoo. I contacted Yahoo, no solution. I tried to contact FIREFOX, guess what? SECURE CONNECTION FAILED. Has been weeks with no connection...unless i go to another isp...voila i get my mail immediately. MOZILLA...

Mozilla Firefox / Screwed Up My Computer Royally!

Jp
jpegs on Mar 15, 2016
Yesterday I got a message in the lower right corner of my screen stating that "Firefox appears to be running slow" (or something like that. It suggested that I Refresh Firefox to solve my problems. So I did. After all, Firefox would do anything that would destroy everything I'd worked...

Mozilla / Firefox

Re
Reviewer57949 on Jan 12, 2016
I deeply resent some arrogant mozilla developer deciding that I must have the navagation bar present at all times and that I cannot customize it off the screen. While I concede that removing items from view complicates browser skill levels needed, it is my preference and ought to be my...

Mozilla Firefox Browser / browser old version and 42.0

Re
Reviewer51494 on Dec 5, 2015
I'm also having the problem w/ excessive pop-ups in spite of having on the pop-up blocker. (I noticed this complaint at least as far back as 2006 on this site. Why are we using this rotten product? I usually use Chrome, but recently have been using FireFox because of particular bookmarks I have there & b/c I do like some of MFF's features. No more.

Mozilla Firefox Browser / Firefox 42.0 slow - freezes the entire computer

Re
Reviewer35208 on Dec 5, 2015
1st the piece of crap MFF installed a constant popUp telling me to upgrade; it slowed my computer & froze it at times. After 6 wks of dealing w/ that, I gave in & upgraded it. Now my computer is at least 10 times slower & it freezes abt every 3-5 minutes. I see on this site that MFF has always had these problems; It is worthless!

Mozilla Firefox / Content started disappearing

Re
Reviewer53514 on Nov 30, 2015
I had just about given up on FireFox. I had downloaded a competitor and was using it, but it was very slow. I was willing to tolerate routine crashes, for speed. Then something very strange happened. Content started disappearing from FaceBook. I was ready to blame FaceBook, till I...

Mozilla Firefox / Internet Service

Mi
midnite75 on Oct 30, 2015
I don't know what the problem/problems are with Firefox!, but ever since i started using it(i have to use if for sky go as google no longer supports sky go, )otherwise i wouldn't use Firefox at all, it keeps on freezing resulting in me constantly needing to refresh the page. this is so...

Mozilla / Firefox Latest Upgrade

Ga
Gary Hipp on Oct 3, 2015
Your decision to make the new tab button show "top sites" or whatever took away the option I prefer. I don't need suggestions, top sites or any uninvited information. All of my favorite sites are easily accessable. What I want is for the new tab to show My Yahoo page where I get local new...

Firefox / Yahoo

Re
Reviewer61029 on Sep 23, 2015
I can no longer set my own homepage or use my preferred search engine because Yahoo continually replaces both. Every time I reopen Firefox it goes to a Yahoo search page even though I have set my homepage as a different website. I keep going to settings to change my default search engine...

Mozilla Firefox / Your dumbass service

Re
Reviewer50038 on Sep 18, 2015
Hi there, I am a university student studying psychology and I don't know if you know, but we read a lot and my school in particular leaves so much homework I feel like I'm in Korea. Generally, I am a calm, gentle person. I used to believe in second, third, fourth or even fifth...

Firefox / New update which stops browser functioning

Sj
sjanewton on Jul 7, 2015
This past few days I cannot access the internet through Firefox. ''An error occurred during a connection to www.btopenzone.com:8443. SSL received a weak ephemeral Diffie-Hellman key in Server Key Exchange handshake message. (Error code: ssl_error_weak_server_ephemeral_dh_key...

Mozilla Firefox / Ruined my PC

Sk
Skyler Kisellus on Jun 19, 2015
When I first successfully downloaded Firefox, a bunch of malware scanners just kept popping up on my screen and desktop. When I tried to remove them, more just kept on popping up. IT WAS SO ANNOYING!!! Then when I tried to go on a certain website, It wouldn't let me do anything! I...

Mozilla Firefox / multiple complaints

Lo
loriell on May 6, 2015
I'm tired of dealing with the program freezing, or not responding, not able to click on anything, shutting down in the middle of something, the whole thing is crap, Unfortunately, we are stuck with it, which sucks, because if we could, we would totally get rid of mozilla firefox, Its a bad egg!

Mozilla Firefox / unwanted pop up

Va
Val Adams on Mar 28, 2015
cursor moving over a page, browser pop up ' your computer has been selected to participate in survey'- that is not how it works, folks- first, you ASK ME IF I WISH TO PARTICIPATE. on top of recent 3 to 5 shut downs per session plus all the ads interspersed in every article I try...

Mozilla Firefox / speed

An
annoyed143 on Dec 11, 2014
The latest Mozilla Browser update said it was the fastest yet. Does that include all the (not responding) written on my tab at the top left? Seriously, I have been a user of Mozilla Firefox for close to 6 years now, it isn't getting faster or better, its getting buggy, slower, and not...

Firefox / Damages my PC

Ly
Lydia Jenkinson on Sep 14, 2014
FireFox is THE WORST browser ever. Chrome doesn't open half the time forcing me to find a new browser, internet explore is soooooooooooooooooooo slow and that jst left me with firefox. Firefox instantly downloaded (without permission and I HAVE READ THE AGREEMENTS) at least fourty...

Firefox / what happen to realibility

Er
Ernest Ouimet on Sep 13, 2014
Warning to all do not upgrade the latest improvement is backwards. In one hour 4 crashes, no more video player, so slow that tree gum in December runs faster down the tree and then you will have script issues, and the list goes on. Need to role back to 27 and be happy now to try and find one without bugs in it. It is better than 32.

Firefox Mozilla / Fascism

Ri
Rita Samuels on Apr 7, 2014
Dear FF: Today I deleted my Firefox account. Why? Well, when a company goes on a witch hunt and fires someone for a bogus reason, then it's time to select another web browser. The PR people making the TV talk show rounds are not right - the CEO who supported his beliefs about...

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