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I have a certification problem with Thunderbird and Firefox when trying to access anything of google.com. No other mail or browser software has this problem.

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  • Letzte Antwort von nniven

nniven
nniven
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When I use Thunderbird to access my gmail account I get a Secure connection failed www.mozilla.org uses an invalid security certificate. The certificate is not trusted because no issuer chain was provided. (Error code: sec_error_unknown_issuer)

I have the same problem with Firefox when accessing anything Google (search or the site). I have gotten rid of all history, cookies and reinstalled from scratch. I believe the two programs have the same problem.

www.google.com uses an invalid security certificate. The certificate is not trusted because no issuer chain was provided. (Error code: sec_error_unknown_issuer)

I don't get this with any other program.

When I use Thunderbird to access my gmail account I get a Secure connection failed www.mozilla.org uses an invalid security certificate. The certificate is not trusted because no issuer chain was provided. (Error code: sec_error_unknown_issuer) I have the same problem with Firefox when accessing anything Google (search or the site). I have gotten rid of all history, cookies and reinstalled from scratch. I believe the two programs have the same problem. www.google.com uses an invalid security certificate. The certificate is not trusted because no issuer chain was provided. (Error code: sec_error_unknown_issuer) I don't get this with any other program.

Ausgewählte Lösung

The fiddler2.com issuer in certificates might be a sign of unwanted software present on your computer 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.

Afterwards, run a full scan of your system with a security tool, e.g. like the free version of SuperAntiSpyware.

https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-caused-malware#w_how-do-i-get-rid-of-malware

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christ1
christ1
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Can you post a screenshot of the error popup? http://support.mozilla.org/en-US/kb/how-do-i-create-screenshot-my-problem

Geändert am von christ1

nniven
nniven Fragesteller
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Screen Shots Added. There is a file named f,,,8.db (something like that), I have already deleted it and no cure.

christ1
christ1
  • Top 25 Contributor
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Ausgewählte Lösung

The fiddler2.com issuer in certificates might be a sign of unwanted software present on your computer 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.

Afterwards, run a full scan of your system with a security tool, e.g. like the free version of SuperAntiSpyware.

https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-caused-malware#w_how-do-i-get-rid-of-malware

nniven
nniven Fragesteller
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Fixed! I had RocketTab and SearchProtection installed and don't know how. Anyway i've uninstalled them and ran SUPERAntiSpyware as recommended. Problem solved. Thanks for Your Help