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Cannot access Youtube anymore (sec_error_unknown_issuer)

Dear Mozilla support, since a few weeks now I have a strange problem with Firefox on my Windows 7 machine: When trying to open Youtube and often when trying to open Googl… (xem thêm)

Dear Mozilla support,

since a few weeks now I have a strange problem with Firefox on my Windows 7 machine: When trying to open Youtube and often when trying to open Google (and any google related sites such as google docs) it shows me the error "sec_error_unknown_issuer" - a bad certificate. I have already tried a few things like following the advice in the "how to troubleshoot sec_error_unknown_issuer" guide, however nothing has worked so far. I have also made sure that my PC time is correct. The issued certificate is by "BullGuard SSL Proxy CA". I have checked in this direction and found a Bullguard forum thread with a similar issue suggesting a run command that apparently resets or renews the certificates but it has not changed anything. Furthermore, an antivirus scan with Malwarebytes and Bullguard has found nothing. Launching Firefox in safe mode did not prevent the problem. Youtube and Google work fine in Internet Explorer.

The first time I got this problem I have tried to do a windows restore point to the last update where I was sure the problem was not yet present. However this resulted in my windows user account becoming corrupted so I had to create a new one. The problem seemed solved for a few days until it reoccurred. I cannot think of anything else to do now. You are my last hope. Thank you for reading.

Đã được hỏi bởi Baryonyx 4 năm trước

Đã được trả lời bởi jscher2000 4 năm trước

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how to stop Links opening in Internet explorer

Some links always open in Internet explorer, mostly microsoft sites Steps to simulate Search google for "microsoft product design" it should list as below Microsoft Desig… (xem thêm)

Some links always open in Internet explorer, mostly microsoft sites

Steps to simulate Search google for "microsoft product design" it should list as below Microsoft Design https://www.microsoft.com/en-us/design

click it and it opens in IE, how to stop this and open it only in Firefox

Đã được hỏi bởi johnborgjacob 4 năm trước

Đã được trả lời bởi johnborgjacob 4 năm trước

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only firefox has certificate issue "unknown_issuer" with self-signed certificate

We have various Apache instances that host internal sites. We have a Server 2012 Enterprise Certificate Authority with which we sign internal certificates. I have created… (xem thêm)

We have various Apache instances that host internal sites.

We have a Server 2012 Enterprise Certificate Authority with which we sign internal certificates. I have created a batch of new certificates for various sites, and Chrome, IE10+ as well as Opera and Safari have no issue with the self-signed cert.

The certificate chain is good, I used various tools to verify that the certificate is good.

Digicerts Tools, as well as browser and server loaded certificates. Please see the attached screenshots

Firefox claims the "unknown_issuer" error. But as you can see from the screenshots , the issuer is there and a complete chain is available.

What am I missing? We utilize Firefox in our environment quite a bit, Chrome is an alternative, but I'd liek to understand what is going on?

Đã được hỏi bởi sebastianzang 4 năm trước

Đã được trả lời bởi sebastianzang 4 năm trước

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onClick events to open window opens all windows in same small size

This simple script snippet has always worked in the past, and it even works correctly in IE. But in Firefox it opens a new window at about 400 x 400 pixels. <a href="… (xem thêm)

This simple script snippet has always worked in the past, and it even works correctly in IE. But in Firefox it opens a new window at about 400 x 400 pixels.

<a href="javascript: void(0)" onclick="window.open('January.shtml','windowname1','width=850, height=600');

  return false;">Click here for simple popup window</a>

What needs to be changes in the FF configuration so it works correctly?

Failure to get this to work correctly means I will have to discontinue supporting Firefox and go to Internet Explorer where the script works.

Thanks for any support you can provide.

I have already tried some hints in the support page, but no luck with the the suggestions for "link.o"

Đã được hỏi bởi Armadillo 4 năm trước

Đã được trả lời bởi jscher2000 4 năm trước

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How do I get rid of the bottom scroll bar? Screen too big to fit.

My page is too big to fit screen so I have a bottom scroll bar which is very annoying to have to scroll over to see whole page. How do I get rid of bottom scroll bar and … (xem thêm)

My page is too big to fit screen so I have a bottom scroll bar which is very annoying to have to scroll over to see whole page. How do I get rid of bottom scroll bar and re-size page to fit?

Đã được hỏi bởi bluegardenia 4 năm trước

Đã được trả lời bởi the-edmeister 4 năm trước

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Youtube control buttons are missing on some sites

I have just installed Firefox. On some pages the controls (pause/play, volume, full screen, etc.) of the embedded youtube videos are missing. Actually the controls are wo… (xem thêm)

I have just installed Firefox. On some pages the controls (pause/play, volume, full screen, etc.) of the embedded youtube videos are missing. Actually the controls are working just their icons are not visible. For example it is possible to pause the video by clicking on the bottom left corner.

Examples: Missing controls: http://www.techspot.com/news/63930-lasers-may-able-propel-spacecraft-mars-significant-fraction.html Working controls: http://www.iflscience.com/space/watch-physicist-brian-greene-explain-gravitational-waves-stephen-colbert

The browser is 64 bit version of Firefox 44.0.2 running on Windows 10. Adobe Flash player is not installed. All add-ons were disabled for testing.

What could be the problem? Is it a bug, or do I need to configure something?

Đã được hỏi bởi peterbandi 4 năm trước

Đã được trả lời bởi jscher2000 4 năm trước

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Firefox 44.0.2 problem loading Google as home page (in Win 7) ...

Google search page will NOT load as home page, despite being set up in Options exactly as per instructions in FF Help. When I fire up FF, the surroundings all come up OK… (xem thêm)

Google search page will NOT load as home page, despite being set up in Options exactly as per instructions in FF Help. When I fire up FF, the surroundings all come up OK, but no home page - just 'blank screen'. Sometimes if I mess with FF, like close it and open it again likketysplit, it works - very slowly - but usually not. But if I open a new tab and call up Google from Bookmarks or manually type in the URL (as specified in Options entry), it loads up right away no problem. Even if I overtype 'blank screen' with the call to Google at the home page (sic) stage, Google loads up OK right away. I've checked the shortcut details on my desktop, which is all fine. Why won't this pretty simple requirement work?

Đã được hỏi bởi Kuib 4 năm trước

Đã được trả lời bởi jscher2000 4 năm trước

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Shockwave Flashplayer 20.0r0 fails to update in FF 44.0.2. Final install page hangs without completion. Shockwave not loaded.

I am running Win 8.1 64 bit. Firefox runs smoothly, except for the inability to update Shockwave. All other software is current. I also run AVG Internet Security, which i… (xem thêm)

I am running Win 8.1 64 bit. Firefox runs smoothly, except for the inability to update Shockwave. All other software is current. I also run AVG Internet Security, which is up-to-date.

When trying to update to the current Shockwave Flash version ( 20.0r0), the installation hangs on the final install page.

Page 3 (of 3) of the installation pages displays the following message Here is another product that might interest you. The product is never shown and the page just hangs.

When I return to the Add-ons Manager Page, Shockwave Flash continues to display the following message:

"Shockwave Flash is known to be vulnerable and should be updated. Update now. Shockwave Flash Shockwave Flash 20.0r0

Đã được hỏi bởi ChrisJA 4 năm trước

Đã được trả lời bởi FredMcD 4 năm trước

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Hi, my adobe flash has stopped working on websites if i use firefox. the timer shakes and flash does not load

the timer shakes and flash does not load I have followed most of the instructions already posted. plug ins says I have the plug in, and it is on 'always allow' Lexulous.… (xem thêm)

the timer shakes and flash does not load I have followed most of the instructions already posted. plug ins says I have the plug in, and it is on 'always allow' Lexulous..a scrabble site, lets me go to the website, but I can't get the game component to download. Chrome does it fine. I tried some other sites and it seems to be Flash. it was working fine until 3 days ago.

Đã được hỏi bởi winterlong 4 năm trước

Đã được trả lời bởi winterlong 4 năm trước

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ZoneAlarm keeps flagging not-a-virus:HEUR:AdWare.Win32.BrowseFox.gen - why is this happening?

The path is C:\Users\[User Name]\AppData\Local\Temp\(A stream of numbers and letters).xpi. Is this a problem and what can I do about it? I am using Windows 7 Ultimate - 6… (xem thêm)

The path is C:\Users\[User Name]\AppData\Local\Temp\(A stream of numbers and letters).xpi.

Is this a problem and what can I do about it?

I am using Windows 7 Ultimate - 64 bit and Firfox 44.0.2

Đã được hỏi bởi stegra 4 năm trước

Đã được trả lời bởi John99 4 năm trước

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Maps quit working on zillow.com and weather.gov and same problem on some advertising tiles; text from previous pages appears upside down and backwards in space.

Attached is a screenshot from zillow. I've tried downloading and installing a fresh copy of firefox, refreshing firefox, and re-installing flash. It started a few weeks … (xem thêm)

Attached is a screenshot from zillow. I've tried downloading and installing a fresh copy of firefox, refreshing firefox, and re-installing flash. It started a few weeks ago.

Đã được hỏi bởi tonylafrenz 4 năm trước

Đã được trả lời bởi cor-el 4 năm trước

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Lastpass password manager not working properly

When Lastpass tries to populate forms, when I click on the little Lastpass options icon to the right of any given text entry field, it just changes to a small white cross… (xem thêm)

When Lastpass tries to populate forms, when I click on the little Lastpass options icon to the right of any given text entry field, it just changes to a small white cross on a black background. This happened after most recent Firefox update.

Đã được hỏi bởi richard127gm 4 năm trước

Đã được trả lời bởi Wesley Branton 4 năm trước

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Why are fonts appearing as dingbats?

In any Firefox browser window that includes account-based content, such as an email newsletter building web app like MyEmma, or a domain hosting account page, much of the… (xem thêm)

In any Firefox browser window that includes account-based content, such as an email newsletter building web app like MyEmma, or a domain hosting account page, much of the content shows up as dingbats instead of in the specified font (Times, Arial, etc.). I tried to upload a screen shot, but Firefox just kept spinning without success when it came to my 270kb jpg file.

I checked my font management software (Suitcase Fusion 5), two other browsers (Chrome and Safari) and my fonts, but I have not found any issues. The only other culprit I might identify as far as a potential cause is a recent update I made to my Mac OS, from Mountain Lion to Mavericks. But, no seeing any related questions here in the community forum, I have exhausted all the troubleshooting directions I can think of, and can't seem to figure out myself how to fix this debilitating font issue. Any ideas?

Đã được hỏi bởi MeridithBP 4 năm trước

Đã được trả lời bởi cor-el 4 năm trước

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Disable tracking protection failing

Hi, You can see that JS is being blocked by firefox despite the fact i do not have tracking protection enabled. How do i fix this ? Thanks. Alex … (xem thêm)

Hi,

You can see that JS is being blocked by firefox despite the fact i do not have tracking protection enabled.

How do i fix this ?

Thanks. Alex

Đã được hỏi bởi alxxrank 4 năm trước

Đã được trả lời bởi philipp 4 năm trước

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Upgraded Firefox; now can't load Yahoo.com and Google Calendar

Upgraded to 44.0.2. I get error message "Your connection is not secure" for yahoo.com (see screenshot) and the secure Google Calendar site. They were working OK before… (xem thêm)

Upgraded to 44.0.2. I get error message "Your connection is not secure" for yahoo.com (see screenshot) and the secure Google Calendar site. They were working OK before upgrade. They work on IE. What now?

Đã được hỏi bởi davecahn 4 năm trước

Đã được trả lời bởi philipp 4 năm trước

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Certain sites dont run a script instead they download and I have to use chrome

My smile banking wont show me a pdf statement when I click the link it downloads the script file instead. getDomesticPDFStatement I stopped using firefox because of this … (xem thêm)

My smile banking wont show me a pdf statement when I click the link it downloads the script file instead. getDomesticPDFStatement

I stopped using firefox because of this same issue on a french tax site and thought Id give it another go. I'd blame the sites except the problem is solved by using chrome instead.

Đã được hỏi bởi patbell101 4 năm trước

Đã được trả lời bởi patbell101 4 năm trước

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Why am I getting a 403-Forbidden message on Deafhhsfla.org ???

I'm trying to access this page and I get the following message: 403 - FORBIDDEN. This is in spite of another person I know also using Firefox being able to get to the si… (xem thêm)

I'm trying to access this page and I get the following message: 403 - FORBIDDEN. This is in spite of another person I know also using Firefox being able to get to the site with no difficulty. I need to access this site. It's also happening if I use Chrome, which I never use but I do have it in case I can't access a site on Firefox. I just upgraded to the newest version of Firefox and it's not helping. Any suggestions? I'd like to resolve this without tossing the computer out the window....it's been a bad, bad week.

Trisha

Đã được hỏi bởi simpleadditions@gmail.com 4 năm trước

Đã được trả lời bởi cor-el 4 năm trước