Firefox Support Forum

Blocked by Content Security Policy

This page has a content security policy that prevents it from being loaded in this way.

Firefox prevented this page from loading in this way because the page has a content security policy that disallows it.

Subject: Reset font size without using menus

By accidentally pressing and/or holding one or more keys on my PC, I seem to have shrunk the font size which I need to reset.

When I try to use OPTIONS GENERAL the screen will not scroll down to the FONT setting

Could you please tell me how to reset font size without using the menus?

Regards Keith Warltier

Firefox ESR 52.9.0 (32-bit) Facebook Comment Issue: When typing a comment in Facebook letters type right to left instead of typing left to right. This causes the comment to be typed backwards Example "Birthday" would be yadhtriB.

all of a sudden , I need to update fire fox,have reinstalled it. It won't run the download, will not connect to sites I have used in the past.They want a newer version of fire fox,I have windows xp.

I want to log in Tanki online games but not working...asking me to search Advanced panel. I dont know what is that...have HP 620 with Windows XP inside...thanks anyway...(:-())

A few days ago I was told via message that firefox will stop support for windows 10. I ungraded my system to windows 11 and downloaded the appropriate version of firefox. Now I'm getting the same message again. Please help. I like firefox but being told continuously that it's no longer supported even though I've upgraded my system to one that is supported is a pain.

I'm trying to sync from Windows XP to Windows 8.1. When I sign in on XP I get a completely blank page and a few buttons. When I click on 'Reconnect to sync' I get the message "Blocked by Content Security Policy. This page has a content security policy that prevents it from being loaded in this way. Firefox prevented this page from loading in this way because the page has a content security policy that disallows it". What other way is acceptable?

I have many computers, all with the same operating system, all with the DEFAULT Firefox install. Only on one computer do I get the "firefox content security policy" error and only when trying to log in via the "sync" tab in Firefox Options to synchronize that computer with the others.

I am a retired computer technical consultant. I'm no pedestrian user. I've been researching this problem for about a year. I've gotten nowhere. My research has come up with no answer for this problem, though there are answers for firefox content security policy that address other problems.

I am a hardware and applications software guru. I have no experience with javascript, and I suspect this IS a jafascript issue.

Can you help me?

Thank you, Graham Fisher

I got a "Secure connection failed during a connection to duckduckgo.com. I am using WIN xp and Mypal browser. I get the same message if I try Firefox. What do I do now?