Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

Om de ûnderfining foar jo te ferbetterjen is tydlik de funksjonaliteit dan dizze website troch ûnderhâldswurk beheind. Wannear in artikel jo probleem net oplost en jo in fraach stelle wolle, kin ús stipemienskip jo helpe yn @FirefoxSupport op Twitter en /r/firefox op Reddit.

Sykje yn Support

Mij stipescams. Wy sille jo nea freegje in telefoannûmer te beljen, der in sms nei ta te stjoeren of persoanlike gegevens te dielen. Meld fertochte aktiviteit mei de opsje ‘Misbrûk melde’.

Mear ynfo

Dizze konversaasje is argivearre. Stel in nije fraach as jo help nedich hawwe.

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:
Keppele skermôfbyldingen

Keazen oplossing

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

Dit antwurd yn kontekst lêze 👍 0

Alle antwurden (4)

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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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Keazen oplossing

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