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Websites pull up the error code: (Error code: sec_error_bad_signature)

  • 16 replies
  • 93 have this problem
  • 5339 views
  • Last reply by meulin

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Whenever I try to access sites like Google or Youtube it directs me to an error message page with the code (Error code: sec_error_bad_signature). I've looked around and toggled the browser.xul preference to true and even re-installed Firefox. I don't know what to do anymore and would like help. Also, when I tried to pull up Google on internet explorer it said there was something wrong with the site

All Replies (16)

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Do you have this with other web sites?

Many site issues can be caused by corrupt cookies or cache.

  • Clear the Cache

Press the <Alt> or <F10> key to bring up the tool bar. Followed by;

Windows; Tools > Options Linux; Edit > Preferences Mac; application name > Preferences

Then Advanced > Network > Cached Web Content: Clear Now

and

  • Remove Cookies

Press the <Alt> or <F10> key to bring up the tool bar. Followed by;

Windows; Tools > Options Linux; Edit > Preferences Mac; application name > Preferences

Then Privacy. Under History, select Firefox will Use Custom Settings. There is a button on the right side called Show Cookies.

If there is still a problem, Start Firefox in Safe Mode {web link} While you are in safe mode; Press the <Alt> or <F10> key to bring up the tool bar. Followed by;

Windows; Tools > Options Linux; Edit > Preferences Mac; application name > Preferences

Then Advanced > General. Look for and turn off Use Hardware Acceleration.

Poke around safe web sites and see if there is still a problem. Then restart.

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I tried every single method you have listed and nothing has changed. The only sites that pull up the error code that I have found so far are google.com and youtube.com. Noticeably, both from google, although gmail still works for me.

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Do you get the certificate exception prompt?

What is the full error message?

What's the issuer of the bad cert?

A screenshot may be useful.

http://support.mozilla.org/en-US/kb/how-do-i-create-screenshot-my-problem

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This may be caused by a windows update - please see http://support.microsoft.com/kb/2965142/en-us#2 for details.

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Here's a screenshot of my problem.

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Do a malware check with several 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.

You can also do a check for a rootkit infection with TDSSKiller.

See also:

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I created a family safety certificate and imported it exactly as the directions show but nothing changed.

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I scanned my system and found no malware with the programs you suggested

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Facebook doesn't work for me either.

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I've also noticed if I look up the URL of the error code (https://www.google.com/?gws_rd=ssl) on Bing I can access Google by clicking on the top most search option.

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There are a number of tabs in the FF Certificate Manager window. If you didn't import the cert underneath the 'Authorities' tab, please try this.

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Try just Google.com

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I imported the certificate under the authorities tab. While in the user certificate manager I noticed there was a folder called Certificate Revocation List which only contained a family safety certificate. Could this be contributing to the problem?

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Your screenshot shows the Windows certificate store. This is where you export the MS Family Safety cert. Firefox uses it's own certificate store, which is completely independent from the Windows certificate store. So the answer to your question is no, whatever is in the Windows certificate store doesn't contribute to the problem you have with Firefox.

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Ok, but yes I did import it to the authorities tab