Problems with receiving error message "This Connection is Untrusted" for any https sites. On version 17.0.1 of firefox. IE does not get error.

whenever I go to an https site, I get this error message. My other browsers are not having the same issue. I deleted cert8.db as one site suggested. Stopped using firefox due to this issue. example: www.comcast.net, once I sign into email, I get this error message. Amazon.com - same issue. So, these are very common sites. This only started in past two weeks.

Does updating to Firefox 18 (which comes out today) help? It fixed a few issues with certificates.

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Every time I try to log into ANY website that is secured, I get an error message "This connection is untrusted."

The error message is:
This Connection is Untrusted
You have asked Firefox to connect securely to www.facebook.com, but we can't confirm that your connection is secure.
Normally, when you try to connect securely, sites will present trusted identification to prove that you are going to the right place. However, this site's identity can't be verified.
What Should I Do?
If you usually connect to this site without problems, this error could mean that someone is trying to impersonate the site, and you shouldn't continue.
www.facebook.com uses an invalid security certificate. The certificate is not trusted because no issuer chain was provided. (Error code: sec_error_unknown_issuer)
If you understand what's going on, you can tell Firefox to start trusting this site's identification. Even if you trust the site, this error could mean that someone is tampering with your connection.
Don't add an exception unless you know there's a good reason why this site doesn't use trusted identification.
Steps I have take so far:
Verified that system clock is correct
Cleared all cache, history, cookies, etc.; didn't help
Started Firefox in Safe Mode; didn't help
Disabled all Firefox extensions; didn't help
uninstalled and reinstalled Firefox using Control Panel; didn't help
Ran Microsoft Safety Scan for malware; nothing was found
Other information:
This problem exists ONLY in my user profile and ONLY in Firefox. All 5 other users can run Firefox with no problem. I can run IE and Chrome with no problem.
Problem exists in ALL secured (https) sites.
I use Avast and Windows Firewall. Had never heard of ESET or BitDefender before searching these forums.
A lot of the sites don't give me the option to Make an Exception. The two that I tried to make exceptions for, still wouldn't open.
Run Windows 7 64-bit

unfortunately the fiddler2 issuer in certificates might be a sign of unwanted software present on your pc that is intercepting secure network traffic. please go into the system control panel and uninstall programs like BrowserSafeguard, BrowserSafe, SafeGuard or other software that sounds suspicious and didn't get installed by you intentionally.
 reference: https://support.mozilla.org/en-US/questions/982532#answer-520145
afterwards, run a full scan of your system with different security tools like the [http://www.malwarebytes.org/products/malwarebytes_free free version of malwarebytes] & [http://www.bleepingcomputer.com/download/adwcleaner/ adwcleaner].
[[Troubleshoot Firefox issues caused by malware]]

I am continuously recieving the same error message (this connection is untrusted)

When I try to access my emails (Gmail) I recieve this error message; what should I do? My laptop PC is a Windows Vista and Firefox is 33.0. My laptop currently runs Kaspersky Internet Security 2015 as protection.
This Connection is Untrusted
You have asked Firefox to connect securely to mail.google.com, but we can't confirm that your connection is secure.
Normally, when you try to connect securely, sites will present trusted identification to prove that you are going to the right place. However, this site's identity can't be verified.
What Should I Do?
If you usually connect to this site without problems, this error could mean that someone is trying to impersonate the site, and you shouldn't continue.
mail.google.com uses an invalid security certificate. The certificate is not trusted because the issuer certificate is unknown. (Error code: sec_error_unknown_issuer)

What about on https://www.google.com/ ? Can you load that? If so, take a look at the "Issued by" section by clicking the padlock in the address bar, then "More Information" then "View Certificate".

"This connection is untrusted" for any website I try to visit

Trying to access any website and I get the "this connection is untrusted" error come up.
Sites like the FireFox addons, Facebook, Tumblr, etc etc.
I've tried adjusting my date and time (although it already is on the correct date and time..) and still, nothing.

Example:

Firefox says this connection is untrusted for every single site! HELP!

Every website that I have visited, says the connection is untrusted. This is getting extremely frustrating. Help will be greatly appreciated!.
Here is my firefox info:
"application": {
"name": "Firefox",
"version": "26.0",
"userAgent": "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:26.0) Gecko/20100101 Firefox/26.0",
"supportURL": "https://support.mozilla.org/1/firefox/26.0/WINNT/en-US/"
"modifiedPreferences": {
"browser.cache.disk.capacity": 358400,
"browser.cache.disk.smart_size.first_run": false,
"browser.cache.disk.smart_size.use_old_max": false,
"browser.cache.disk.smart_size_cached_value": 358400,
"browser.startup.homepage_override.mstone": "26.0",
"browser.startup.homepage_override.buildID": "20131205075310",
"extensions.lastAppVersion": "26.0",
"network.cookie.prefsMigrated": true,
"places.history.expiration.transient_current_max_pages": 73687,
"privacy.sanitize.migrateFx3Prefs": true
"graphics": {
"numTotalWindows": 1,
"numAcceleratedWindows": 1,
"windowLayerManagerType": "Direct3D 10",
"windowLayerManagerRemote": false,
"adapterDescription": "AMD M880G with ATI Mobility Radeon HD 4250 ",
"adapterVendorID": "0x1002",
"adapterDeviceID": "0x9712",
"adapterRAM": "256",
"adapterDrivers": "atiu9p64 atiuxp64 atiu9pag atiuxpag atiumdva atiumd6a atitmm64",
"driverVersion": "8.770.2.1000",
"driverDate": "9-19-2010",
"adapterDescription2": "",
"adapterVendorID2": "",
"adapterDeviceID2": "",
"adapterRAM2": "",
"adapterDrivers2": "",
"driverVersion2": "",
"driverDate2": "",
"isGPU2Active": false,
"direct2DEnabled": true,
"directWriteEnabled": true,
"directWriteVersion": "6.1.7601.17514",
"webglRenderer": "Google Inc. -- ANGLE (AMD M880G with ATI Mobility Radeon HD 4250 Direct3D9Ex vs_3_0 ps_3_0)",
"info": {
"AzureCanvasBackend": "direct2d",
"AzureSkiaAccelerated": 0,
"AzureFallbackCanvasBackend": "cairo",
"AzureContentBackend": "direct2d"
"javaScript": {
"incrementalGCEnabled": true
"accessibility": {
"isActive": false,
"forceDisabled": 0
"libraryVersions": {
"NSPR": {
"minVersion": "4.10.2",
"version": "4.10.2"
"NSS": {
"minVersion": "3.15.3.1 Basic ECC",
"version": "3.15.3.1 Basic ECC"
"NSSUTIL": {
"minVersion": "3.15.3.1",
"version": "3.15.3.1"
"NSSSSL": {
"minVersion": "3.15.3.1 Basic ECC",
"version": "3.15.3.1 Basic ECC"
"NSSSMIME": {
"minVersion": "3.15.3.1 Basic ECC",
"version": "3.15.3.1 Basic ECC"
"userJS": {
"exists": false
"extensions": [
"name": "AVG Security Toolbar",
"version": "17.2.0.38",
"isActive": false,
"id": "avg@toolbar"
"name": "GreatArcadeHits Add-on",
"version": "1.0.0",
"isActive": false,
"id": "{B21F5E31-B8E8-41CD-B74C-168A71A10E49}"
}

Check the connection settings.
*Tools > Options > Advanced > Network : Connection > Settings
*https://support.mozilla.org/kb/Options+window+-+Advanced+panel
If you do not need to use a proxy to connect to internet then try to select "No Proxy" if "Use the system proxy settings" or one of the others do not work properly.
See "Firefox connection settings":
*https://support.mozilla.org/kb/Firefox+cannot+load+websites+but+other+programs+can
*http://kb.mozillazine.org/Error_loading_websites
Do a malware check with some malware scanning programs on the Windows computer. 
Please scan with all programs because each program detects different malware. 
All these programs have free versions.
Make sure that you update each program to get the latest version of their databases before doing a scan.
*Malwarebytes' Anti-Malware: http://www.malwarebytes.org/mbam.php
*AdwCleaner: http://www.bleepingcomputer.com/download/adwcleaner/ http://www.softpedia.com/get/Antivirus/Removal-Tools/AdwCleaner.shtml
*SuperAntispyware: http://www.superantispyware.com/
*Microsoft Safety Scanner: http://www.microsoft.com/security/scanner/en-us/default.aspx
*Windows Defender: Home Page: http://www.microsoft.com/windows/products/winfamily/defender/default.mspx
*Spybot Search & Destroy: http://www.safer-networking.org/en/index.html
*Kasperky Free Security Scan: http://www.kaspersky.com/security-scan
You can also do a check for a rootkit infection with TDSSKiller.
*Anti-rootkit utility TDSSKiller: http://support.kaspersky.com/5350?el=88446
See also:
*"Spyware on Windows": http://kb.mozillazine.org/Popups_not_blocked

When attempting to upgrade my iMac from Snow Leopard to Mavericks, I receive the message "This disk is used for Time Machine Backups" when I try to select the lone available hard drive.

When attempting to upgrade my iMac from Snow Leopard to Mavericks, I receive the message "This disk is used for Time Machine Backups" when I try to select the lone available hard drive. I have ensured that Time Machine is turned off. Upon some Google research, some who reported this problem were told to delete the folder backup.backupdb, but I do not have this folder on my Mac. Any suggestions?

The folder would be at the root of your hard drive. Double-click Macintosh HD and look there.
If it isn’t there, I’m not sure what it is seeing.

I have a problem with wifi in my iphone 4s, i already try everything and download latest version 7.1(11D167) but wifi switch is not working, its my humble request to Apple support team that pls resolve this problem as soon as possible because

I have a problem with wifi in my iphone 4s, i already try everything and download latest version 7.1(11D167) but wifi switch is not working, its my humble request to Apple support team that pls resolve this problem as soon as possible because its a prestiage of Apple Company.
Pls inform me how can i resolve the problem of wifi.

You have to go to autherized iPhone agent.

Firefox (latest versions) on both Mac 10.6 and Windows 7 show "this Connection is Untrusted" on my bank site

This started for me 1/17/2011 on the savingsbank.com website:
Firefox (latest versions) on both Mac 10.6 and Windows 7 show "this Connection is Untrusted" on my bank site https://www.savingsbank.com
NO other browsers - Explorer, Chrome, Safari - give this error box on this site. Please advise if this has to do with the bank site? or Firefox compatibility.
Saw in a forum someone else having this problem and they were told it had to do with their Date and time being off?? I've been on several computers, all with the correct date and time and they've all shown this Insecure Certificate statement on my bank site with Firefox and no other browser.

I've looked at the banking site with IE8 and it does NOT show me that "This connection is Untrusted" window. (please see attached screen shot of viewing the site with IE8) It opens fine and has "Identified by Network Solutions" showing on the address bar as it always does.
The latest version of Opera (not earlier ones) does show a problem with the website's security certificate.
We've contacted the bank about this, and they say there's no problem with their certificate but are looking into it.
My question remains, why only Firefox and one version of Opera claim this and NO other browser?

My Firefox keeps crashing with a message "This Connection is Untrusted" even though I have reinstalled the product.

I am not entirely sure why this has been happening but I have tried to solve this issue for a while now. I am unable to log in into my email because the message "The Connection is Untrusted" does not allow me to add an exception. This has been happening to a variety of Websites, however, for some of them I was able to add an exception. More importantly (i wish i was able to include screenshots), the view of for instance this window or Facebook is altered and showed without images but only with blue-regular words. This happens repeatedly.
Re-installation of this program as well reset throughout Troubleshooting seems not to work nor does the update of the Adobe Flash Player. I have never had any problems with a great product such as Firefox but all of the sudden I am lost. I would appreciate any help from you guys because I would like to keep using this product.
Thank You,
Dave

It shouldn't be necessary to add an exception.
Make sure that the date and time are correct on your computer.
If a web page is opened in a (i)frame then you can't set an exception. 
You can try to open page in the frame in a new tab via the right-click context menu.
Check out why the site is untrusted (see the Technical details) and if this is caused by a missing intermediate certificate then see if you can install this intermediate certificate from another source.
You can retrieve the certificate and check details like who issued certificates and expiration dates of certificates.
*Click the link at the bottom of the error page: "I Understand the Risks"
Let Firefox retrieve the certificate: "Add Exception" -> "Get Certificate".
*Click the "View..." button and inspect the certificate and check who is the issuer.
You can see more Details like intermediate certificates that are used in the Details pane.
Try to rename the cert8.db file in the Firefox profile folder to cert8.db.old or delete the cert8.db file to remove intermediate certificates that Firefox has stored.
If that helped to solve the problem then you can remove the renamed cert8.db.old file. 
Otherwise you can rename (or copy) the cert8.db.old file to cert8.db to restore the previous intermediate certificates. 
Firefox will automatically store intermediate certificates when you visit websites that send such a certificate.
If that didn't help then remove or rename secmod.db (secmod.db.old) as well.
You can use this button to go to the Firefox profile folder:
*Help > Troubleshooting Information > Profile Directory: Show Folder
*http://kb.mozillazine.org/Profile_folder_-_Firefox

Getting this message "This Connection is Untrusted" and I need this next page to come up so that I can put in a job submital. Need to allow this to open????

I am putting in for jobs and it is not letting me go to the next page. I am getting the below message and cannot figure out how to make this problem stop. I did not have this problem in Explorer. I am getting this message...I have say allow it, but then I get this message and cannot go any further - The certificate is not trusted because no issuer chain was provided
This Connection is Untrusted
You have asked Firefox to connect securely to psappprd1.is.wfubmc.edu:8002, but we can't confirm that your connection is secure.
Normally, when you try to connect securely, sites will present trusted identification to prove that you are going to the right place. However, this site's identity can't be verified.
What Should I Do?
If you usually connect to this site without problems, this error could mean that someone is
trying to impersonate the site, and you shouldn't continue.
psappprd1.is.wfubmc.edu:8002 uses an invalid security certificate.
The certificate is not trusted because no issuer chain was provided.
(Error code: sec_error_unknown_issuer)

this problem when i change my motherbord , Happened.
i solved this , by set the time & date in windows & '''mainbord time in bois''' .
it's fixed.

Why am I getting the message 'this connection is untrusted' when trying to access iCloud through Mozilla Firefox?

I use Mozilla Firefox and have never had difficulty before, but today I got 'this connection is untrusted' when trying to open iCloud. There was no option to override this.
The Technical Details said:
www.icloud.com uses an invalid security certificate.
The certificate is not trusted because no issuer chain was provided.
(Error code: sec_error_unknown_issuer)
Help!

Clear your history/cookies and stuff like that on Firefox and then retry. If that doesn't work try restarting the computer or accessing iCloud via Google Chrome or Safari for the time being. I feel your pain, I love Firefox.

Firefox Nightly keeps bugging me with "This Connection is Untrusted" on every single site I visit

So I am trying out the new FireFox Nightly, as it was suggested by a friend to me. Now I am liking it at first, but when I remove all my old FireFox stuff (completely uninstalled as there was alot of useless junk/plugins/data that I wanted gone) I am now getting this "This Connection is Untrusted" message on every single site I visit! It even says that the mozilla site is dangerous. So is there any way to disable these warnings?

Hello Rykuu, also, check the time and date of your system, if the date and time on the computer are wrong then security certificates may not be valid.
which security software do you have (firewall or/and anti-virus)?
thank you

"This connection is untrusted" shows up CONSTNATLY!!! and I cannot move the page down to get to the bottem of I understand the risks to override it. How do I do that or how do I TURN IT OFF!!!

Even sending this message gets the" This connection is untrusted"!!!!!How is that for stupid!!! How do I turn it off or do I have to use some other site and wipe firefox off my computer.

Just got this warning for facebook, Amazon, and Google, I have just told my clients to stop using firefox until the problem is fixed, it is a support nightmare because you have inexperienced users calling in convinced that they have a virus on their computer, and that they need to unplug the internet to prevent anything bad from happening.
I had one customer call in and say, "it says get me out of here, Oh my God what have I done I should never have gone online"
You know what can we have a better more accurate statement, on that warning, like Hi, thanks for stopping by this website may be sharing a security certificate with a parent organization, it may not really be a bad thing we just wanted you to know about it before you go on your merry way. Oh and by the way were going to make you jump through hoops and clicks check boxes and do this and do that before we let you go on your merry way, wait, " Are you really sure that you want to be doing this?" Do you know what your doing, perhaps you should call your ISP for advice, and get support from someone who has nothing to do with this issue.
Thanks Guys, appreciate all the calls, perhaps I should give them your email address. $%^$%#$

I am running a MacBook Pro with 10.7.5 and I downloaded the OS X 10.10.2 Update Combo, however when I try and open the package the error message "This volume is used for TimeMachine-backups". Which is not true. I´m using TimeCapsule.

I am running a MacBook Pro with 10.7.5 and I downloaded the OS X 10.10.2 Update Combo.
When I try and open the package after accepting the lincence-agreement and upon choosing the install-volume the error message appears: "This volume is used for TimeMachine-backups".
Which is not true. I´m using a timecapsule for backups.
How can I proceed?

I am using a MacBook Pro (2010) with 2.53 GHz Intel Core i5, 4GB, 1067 MHz, DDR3, Startvolume Macintosh HD.
After downloading the package and starting upgrading it asks acceptance of the license-agreement. After that it asks for the volume were to install. And when I click on the Startvolume Macintosh HD (which is the only available on the machine) it says: "The volume is already being used for Time Machine-Backups".
It doesn´t offer to skip that point or to reconfigure the Time Machine settings.
The point is that my Time machine is not and has never used the Mac HD for Backups. In the past I have used an external drive and since 05/2014 I am using a Time Capsule which is appropriately addressed in the Time Machine settings.

Having problem with receiving gmail message in my appropriate email folders.

Hello,
I am new to this forum and I have a question.
Yesterday I was having problems with my BB Torch, the touchpad was doing funny things like jumping lines etc.
So, I did a force restart, (remove battery for a minute).
After I did that, all my gmail emails disappeared from the appropriate gmail icons. I have 2 gmails setup and none of the messages are there.
They are still coming under the general MESSAGES folder where I can retrieve them but nothing under the gmail icons.
Is there any way to fix it?
I was really happy with the separate gmail folders and everything worked fine until now.
Just FYI... I did an update to the Blackberry software couple weeks ago but still everything worked fine even after.
Can somebody help me to fix this?
I even deleted the gmails and reset them again through the BB Setup.
It still says, "No messages".
Thank you

Hi zuzikfuzik,
Welcome to the Support Community!
Sounds like you may have an issue with your Messages database. Please try clearing the Messages database then test with new messages only, without restoring the previous messages from backup. For further instructions, please see the following KB article: "How to clear the user content databases from the BlackBerry smartphone" http://bbry.lv/JtQKcw
Hope this helps.
-FS
Come follow your BlackBerry Technical Team on Twitter! @BlackBerryHelp
Be sure to click Kudos! for those who have helped you.
Click Solution? for posts that have solved your issue(s)!

Problems with receiving error message "This Connection is Untrusted" for any https sites. On version 17.0.1 of firefox. IE does not get error.

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