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Problem with Reset Firefox feature

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To speed up Firefox I used the Reset Firefox feature and it really messed up webpages. I have to use Chrome to see this webpage. I tried to add a screenshot, but it won't load.

What should I do?

Also, I can't get to Yahoo mail. The message reads "Your connection is not secure".

The following is a copy/paste of a few lines from the Support page in Firefox window.

   Skip to main content
   Switch language
   Skip to search

X Tap here to go to the mobile version of the site. mozilla

   Sign In

mozilla support

   Pick a product
   Pick a topic and try some solutions
   Register or Sign In
   Fill in details
   Confirm registration
   DONE
To speed up Firefox I used the Reset Firefox feature and it really messed up webpages. I have to use Chrome to see this webpage. I tried to add a screenshot, but it won't load. What should I do? Also, I can't get to Yahoo mail. The message reads "Your connection is not secure". The following is a copy/paste of a few lines from the Support page in Firefox window. Skip to main content Switch language Skip to search X Tap here to go to the mobile version of the site. mozilla Sign In mozilla support Pick a product Pick a topic and try some solutions Register or Sign In Fill in details Confirm registration DONE

Todas as respostas (2)

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Were you able to load Mozilla support directly, or did you get a secure connection error for this site, too?

When you get secure connection errors for many/most secure sites, or lots of unstyled content on secure sites, the problem usually is one of the following:

(1) Error in your system's date, time, or time zone, which throws off certificate validity checks. Sometimes allowing computers to use an internet-based time source can introduce this problem.

(2) Firefox not being set up to work with your security software that intercepts and filters secure connections. Products with this feature include Avast, BitDefender, Bullguard, ESET, and Kaspersky; AVG LinkScanner / SurfShield can cause this error on search sites.

(3) On Windows 10, Firefox not being set up to work with the parental control software Microsoft Family Safety. (To test by turning it off, see: http://windows.microsoft.com/en-us/wi.../turn-off-microsoft-family-settings)

(4) Malware on your system intercepting secure connections.

If you have any of those specific security products:

That would be the first thing to check. This support article will walk you through it: How to troubleshoot security error codes on secure websites.

If none of those ring a bell:

You could inspect a sample certificate to see whether that points to the culprit. If you want to try that now, here's how I suggest starting:

Load my test page at: https://jeffersonscher.com/res/jstest.php

If you do not get an untrusted connection error, STOP.

Assuming you get an error, expand the "Advanced" button and look for an Add Exception button.

Note: You don't need to complete the process of adding an exception -- I suggest not adding one until we know this isn't a malware issue -- but you can use the dialog to view the information that makes Firefox suspicious.

Click Add Exception, and the certificate exception dialog should open.

Click the View button. If View is not enabled, try the Get Certificate button first.

This should pop up the Certificate Viewer. Look at the "Issued by" section, and on the Details tab, the Certificate Hierarchy. What do you see there? I have attached a screen shot for comparison.

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There's no one-click procedure to "undo" a Refresh, but there is a multi-step way to restore data from the Old Firefox Data folder on your desktop to a profile that Firefox can use. Please see this thread for steps: Tabs and windows lost after Firefox Refresh and page looks gross.