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Why is Firefox now blocking access to sites including accounts.firefox.com citing "invalid security certificate"

  • 3 replies
  • 1 இந்த பிரச்சனை உள்ளது
  • Last reply by Caroldawes
பதிவிடப்பட்டது

Since the last update Firefox is blocking access to sites like Facebook and Google citing "invalid security certificate". It asked me to log on but blocked that too as accounts.firefox.com also has an invalid certificate apparently. What is going on?

Since the last update Firefox is blocking access to sites like Facebook and Google citing "invalid security certificate". It asked me to log on but blocked that too as accounts.firefox.com also has an invalid certificate apparently. What is going on?

தீர்வு தேர்ந்தெடுக்கப்பட்டது

hi Leatherdale, unfortunately this is likely due to your avast/avg security software tampering with encrypted connections. please either try to reinstall your security software or else follow the more specific steps for it at How to troubleshoot security error codes on secure websites.

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Additional System Details

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  • User Agent: Mozilla/5.0 (Windows NT 6.1; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; OfficeLiveConnector.1.5; OfficeLivePatch.1.3; .NET4.0E; Tablet PC 2.0; rv:11.0) like Gecko

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philipp
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பதிவிடப்பட்டது

தீர்வு தேர்ந்தெடுக்கப்பட்டது

hi Leatherdale, unfortunately this is likely due to your avast/avg security software tampering with encrypted connections. please either try to reinstall your security software or else follow the more specific steps for it at How to troubleshoot security error codes on secure websites.

hi Leatherdale, unfortunately this is likely due to your avast/avg security software tampering with encrypted connections. please either try to reinstall your security software or else follow the more specific steps for it at [[How to troubleshoot security error codes on secure websites]].
பதிவிடப்பட்டது

கேள்வியின் உரிமையாளர்

Thanks very much. I use AVG and I suppose it was one of their updates that was causing the problem. Anyway I found and unticked the "enable HTTPS scanning" which seems to have done the trick.

Thanks very much. I use AVG and I suppose it was one of their updates that was causing the problem. Anyway I found and unticked the "enable HTTPS scanning" which seems to have done the trick.
Caroldawes 2 தீர்வுகள் 22 பதில்கள்
பதிவிடப்பட்டது

I had this problem just after a Firefox update. All sites I tried to get onto including anything via Google and Firefox itself was blocked. As an AVG user I tried the advice above (which I accessed via a different browser) but it failed to fix the fix the problem. I then uninstalled AVG driver scan, started to remove AVG itself but when it offered me the option of repair instead, took that. It seems to have done the trick, fingers crossed!

I had this problem just after a Firefox update. All sites I tried to get onto including anything via Google and Firefox itself was blocked. As an AVG user I tried the advice above (which I accessed via a different browser) but it failed to fix the fix the problem. I then uninstalled AVG driver scan, started to remove AVG itself but when it offered me the option of repair instead, took that. It seems to have done the trick, fingers crossed!