Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

SEC_ERROR_UNKNOWN_ISSUER all sites, Firefox Portable from PortableApps.com

more options

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

Chosen solution

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

Read this answer in context 👍 0

All Replies (4)

more options

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.

more options

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

more options

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.

more options

Chosen Solution

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