SEC_ERROR_BAD_SIGNATURE, ERR_NETWORK_CHANGED

I have no idea what is going on, I have used Firefox Browser for several years with little issue, lately I have been getting the error: SEC_ERROR_BAD_SIGNATURE even on secure sites. It got to where Firefox v54 became unusable, cookies and cache memory cleaned out. So I switched to Chrome, and for a couple of days, it worked fine, but now I am getting the error ERR_NETWORK_CHANGED on Chrome. I am running Windows 10, 64 bit, version 1703. Any ideas what may be going on? Thanks

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Firdovsi

Are you using a DNS try this steps here. http://windowsreport.com/network-change-detected-windows-10/

For SEC_ERROR_BAD SIGNATURE please try this one: https://support.mozilla.org/en-US/questions/939141

Sorin G.

Hello,

ERR_NETWORK_CHANGED is usually seen on devices connected to the internet via Wi-Fi/Mobile Internet, the connection drops and the device connects to a different node/router.

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