Firefox Community Forum

I have been using Firefox 52.9.0, and I know it is outdated but it still synced until a few days ago at least. Then the other day I updated my password to strengthen security. After that, I am unable to sync anymore. Is there a way to fix it? I need to continue to use Firefox 52.9.0. Please note that I do not need to be told about security issues as I am aware of them well enough.

I get the following message when I try to make Firefox to sync:

> 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.

Thank you.

XP FF68esr needed upgrade, wont sync, blue snake chasing tail. Installed Linux and FF78 (dual boot) on same machine. Deleted key4 cert9 and places carried over key3 cert8 and logins from xp68 and got everything back in order and working, except for sync. I was running FF79 on my Firestick and login to my FF account I could see the Linux machine but no sync between the two. I just installed FF120 Nightly on the Firestick to try to get used to it, but it wont sync to the Linux. It did sync to the FF79 on the Firestick however.

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?

For many years I use Firefox 52.9.0esr on my WinXP computer. And for even more years I have been struggling unsuccessfully with the following problem.

Under "C:\Documents and Settings\<username>\Local Settings\Application Data\Mozilla\Firefox\Profiles\2b9qepw7.default-1469870616368\cache2" there is a folder named "entries", that is constantly inflating! It is now 49.5 GB huge! I can not delete it. Deleting process does start, but doesn’t continue even for a bit or finishes ever. I’ve tried to delete the cache via Firefox preferences unsuccessfully. Even manually via Windows Explorer, even in safe mode (F8 when the computer starts), even with TotalCommander. The folder’s size just suddenly changes to zero when I click on it, but not the real space it’s occupying on my hard drive. I even uninstalled my antivirus and tried all the methods again – to no success…

I have added a video of what happens on my drive if I click on this folder in low resolution: https://drive.google.com/file/d/1E_gqf4s31m7Gr7taW5iUOUzkwe8Oi7iT/view?usp=drivesdk In high resolution: https://drive.google.com/file/d/1EaLROHC2p510CvP24nO83wplEkaAgrA9/view?usp=drivesdk

Please help me to solve this problem!

Thank you very much in advance!

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?

I am using Firefox version 112.02 with Windows 10 and am being told by some websites that my browser is out-of-date and that I cannot continue. Then today I was purchasing tickets for a show and the checkout was blocked by another message which said "Firefox Can’t Open This Page. To protect your security, **********.co.uk will not allow Firefox to display the page if another site has embedded it. To see this page, you need to open it in a new window."

Please advise how these measures can be removed or disabled as they are a perfect nuisance.

Simon Bucknall

I've got an old Windows XP computer running version 52.9.0. I'm trying to sign in to Sync (so I can sync with my new Windows 10 computer) but when I try on the old machine I get this error 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.

I've signed in on the new computer, not that it matters.

Is the any way I can connect to Sync?

I am using the latest version of Firefox (112.02 32-bit) with Windows 10 but am being blocked from certain websites by the Cloudflare security app because it says that my browser is out-of-date. This was particularly embarassing when I was trying to buy tickets for a concert recently and was unable to access the venue's online payment system.

It may be that Cloudflare is confused because I occasionly use an older version of Firefox (52.9.0 32-bit) with an earlier version of Windows. How can this issue be resolved so that Cloudflare does not block legimate access to websites when I am using the most up-to-date version of Firefox?

Hello. I cannot watch videos from invidious.snopyta.org on my laptop with Firefox 52.9.0, because a message that says "No compatible source was found for this media." appears in place of the video player. However, the videos from that website do load correctly on my other PC with the latest Firefox version, and they load correctly on this laptop as well when using Google Chrome. The video found on this site, which I think is a webm, plays correctly.

What video format does invidious.snopyta serve and why can't it be played by Firefox?

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