Mozilla web pages are white with text black\blue & netflix does not work Win10

Use Firefox to work fine but now it isn't (currently version 39)
At first I noticed that netflix produced an error when I tried to start the playback of a video, but after I uninstall firefox and remove all profiles she won't even let me visit the web page by giving this error

The secure connection failed
An error occurred during a connection to http://www.Netflix.com/. The peer certificate has an invalid signature. (Error code: sec_error_bad_signature)
The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.

The other problem I've noticed is that some web pages are not correctly such as Mozilla forums is just a white text background blue and white

I tried every evening 64-bit laptop same problem
Crome\Explorer work well

Thank you

The difference between Firefox and IE/Chrome, is that IE/Chrome share the Windows certificate store. Firefox has its own certificate store. (That you have deleted by removing your profile.)

This error can be caused by a series of questions, but generally, certificates are generated by an intermediary such as a proxy server, your security or malware software. We look at who it is.

Q: do you use Avast, ESET, Kaspersky or BitDefender, or browse through a proxy?

If you have sites where you have created a security exception, like this site, check the certificate for more information on its transmitter. You can click on the padlock (or grey warning triangle) in the address bar, and then more than information, and then display the certificate. The areas to check are "issued by" and "hierarchy of certificates. I've attached a screenshot of this site as an example of screen. If you can't view it in Firefox, you can use Chrome. I have attached this example, too.

What do you see?

Note: Firefox for Windows 10 support will be more complete version 40 which, if you're an early adopt, you can try in beta. I do not recommend nightly. https://www.Mozilla.org/Firefox/beta

Tags: Firefox

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