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SEC_ERROR_UNKNOWN_ISSUER all sites, Firefox Portable from PortableApps.com

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I'm using Firefox Portable from portableapps.com and every time I visit any web page it shows this:

I'm using Firefox Portable from portableapps.com and every time I visit any web page it shows this:
Attached screenshots

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Weird, It's working now, thank's. Anyways though!

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Did anything in this support article help (hopefully it was suggested as you submitted your question): How to troubleshoot security error codes on secure websites.

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Is that https:// and http://?

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You won't get the error page for HTTP addresses, but many sites force HTTPS, so on those sites, you can't work around the issue by deleting the S.

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Chosen Solution

Weird, It's working now, thank's. Anyways though!