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Many sites not loading due to PR_END_OF_FILE_ERROR

For some time now - two or three weeks - I experience R_END_OF_FILE_ERROR on many websites. It is only under Firefox. And not on all sites. One example is coronavirus.bg.… (Lesen Sie mehr)

For some time now - two or three weeks - I experience R_END_OF_FILE_ERROR on many websites. It is only under Firefox. And not on all sites. One example is coronavirus.bg. I can't open it under Firefox. I use Firefox v.75 on Windows 7. I tried:

  • checking TLS settings - screenshot attached. Seems fine.
  • clearing the cache; didn't help.
  • turning network.dns.disableIPv6 to 'true'; didn't help.
  • turning network.dns.disablePrefetch to 'true'; didn't help.
  • restarting Firefox with add-ons disabled; didn't help.
  • scanning for malware; Malwarebytes didn't find any.

I am also attaching my browser test results from ssllabs.com.

I honestly don't know what to do and what is the issue. Please advise.

Gefragt von radi.stoyanov vor 10 Monaten

Beantwortet von radi.stoyanov vor 10 Monaten

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Solved in Fx 74_Linux. Install a theme from codemirror.net (or other method) in developer tools

Codemirror.net has lots of themes besides the dark theme in current dev tools (now Fx 74). The "instructions" how to add / use one :D are more towards if CM is a free sta… (Lesen Sie mehr)

Codemirror.net has lots of themes besides the dark theme in current dev tools (now Fx 74). The "instructions" how to add / use one :D are more towards if CM is a free standing editor, rather than if codemirror is embedded in a browser.

"Up to a certain extent, CodeMirror's look can be changed by modifying style sheet files. The style sheets supplied by modes simply provide the colors for that mode, and can be adapted in a very *straightforward* way. Well....

"To style the editor itself, it is possible to ALTER or override the styles defined in codemirror.css."

Continuing: "The easiest way to use CodeMirror is to simply load the script and style sheet found under lib/ in the distribution, plus a mode script from one of the mode/ directories. For example:

<script src="lib/codemirror.js"></script> <link rel="stylesheet" href="lib/codemirror.css"> <script src="mode/javascript/javascript.js"></script>"

The only problem is, I can't find a detailed enough example (only ones like the college engineering professors worked, leaving out several key steps).

There weren't many posts in their community about how to make it use another theme than the Default, that's inside of codemirror.css in omni.ja. A guy answering a question about this referenced the theme demo page, showing different themes on code. Said maybe you can read the source files for the demo page. I read it, but I'm not sure it's applicable when embedded in Fx.

I've searched a lot how to do it & there's not much info. Honestly, unless someone advanced enough to look at their instructions could simplify it, it's possible the fastest way is change the default theme colors in codemirror.css, then repack omni.ja. Codemirror mentions that method, but again, I think they're talking if it's freestanding or backend for some text editor, not embedded in a browser.

I'm not sure userChrome will work because it's not really part of Fx. At least I couldn't get it to work, putting the theme code in userChrome (either the normal or /chrome_debugger_profile/chrome). Though some people change some things in devtools using userChrome.css. It breaks when Mozilla changes anything.

The very few things I had tweaked in CM / dev tools UI, stopped working in Fx 74. Nothing I could do - a new profile, new userChrome file, copying a few rules - ever made it work in Fx 74. Most of what I found was people having a hard time changing devtools UI (in Fx or Chrome) w/ any consistency.

Gefragt von Joebt vor 10 Monaten

Beantwortet von Joebt vor 10 Monaten

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Getting this message when I use Firefox: Universal bypass for firefox is now self-hosted. You will no longer get updates unless you re-install it.???

I just started getting this message everytime I use Firefox: "Universal bypass for firefox is now self-hosted. You will no longer get updates unless you re-install it."… (Lesen Sie mehr)

I just started getting this message everytime I use Firefox: "Universal bypass for firefox is now self-hosted. You will no longer get updates unless you re-install it." What does this mean and how do I get it to stop appearing on my web page? If I click on it it disappears but pops up again whenever I go to the next page. It is extremely irritating.

Gefragt von jimcoppage2 vor 10 Monaten

Beantwortet von jscher2000 vor 10 Monaten

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ERROR:Network.http.sendRefererHeader = 0 Please fix your browser settings

I already did the following steps: Type ‘about:config’ in the URL bar, and hit enter (you may have to click though a, ‘I’ll be careful, I promise!’ warning) In the search… (Lesen Sie mehr)

I already did the following steps:

Type ‘about:config’ in the URL bar, and hit enter (you may have to click though a, ‘I’ll be careful, I promise!’ warning)

In the search bar type ‘network.http.sendRefererHeader’

Double-click on the ‘network.http.sendRefererHeader’ preference when it comes up

Enter an integer value of 0, 1, or 2 or in the dialog box, then hit OK and close the ‘about:config’ tab

but this error keeps coming up, what do I do?

Gefragt von Lars.Frusch vor 11 Monaten

Beantwortet von cor-el vor 11 Monaten

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Site Logins Go Stale

This is more informational than anything else but I wanted to add it to the knowledge base... On several sites, especially FoxNews, my site login goes stale after a few h… (Lesen Sie mehr)

This is more informational than anything else but I wanted to add it to the knowledge base...

On several sites, especially FoxNews, my site login goes stale after a few hours. Nothing would solve the problem except closing FireFox and going through the login procedure again.

The fix I finally found is to Clear History of everything, then the current login works again.

Gefragt von JoeJupa vor 11 Monaten

Beantwortet von JoeJupa vor 11 Monaten

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Today’s Firefox windows update broke windows 10 connection to the internet.

This has happened to 5 individual computers updated at different times today. As each one updates it goes off line. LAN works fine but Firefox seems to have altered somet… (Lesen Sie mehr)

This has happened to 5 individual computers updated at different times today. As each one updates it goes off line. LAN works fine but Firefox seems to have altered something in windows 10 OS that kills that individual computers connection to the internet.

Gefragt von suquamish vor 11 Monaten

Beantwortet von FredMcD vor 11 Monaten

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Firefox crashes

Crash happen frequently when I access different websites at different time, also, right click the images and save to folder will cause a short time hang. When I reboot fi… (Lesen Sie mehr)

Crash happen frequently when I access different websites at different time, also, right click the images and save to folder will cause a short time hang. When I reboot firefox with Safe Mode, not see the crash again for a long time , could anyony can help to analyse why this happen? Thanks!

the crash report id: bp-49dd30db-e34f-4912-a362-7041b0200229

Gefragt von 一个大西瓜 vor 12 Monaten

Beantwortet von FredMcD vor 12 Monaten

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External Page Jumps does not work properly in Firefox, how to fix this?

I have a site created through wordpress platform. I have used page jump (anchor) to redirect one of my links into a specific section from another page. Works fine with Ch… (Lesen Sie mehr)

I have a site created through wordpress platform. I have used page jump (anchor) to redirect one of my links into a specific section from another page. Works fine with Chrome, IE and Microsoft Edge, except with Firefox. It redirects to the page but gone through the bottom of it rather than the specific section where it's suppose to land.

Gefragt von jcignoro vor 1 Jahr

Beantwortet von jscher2000 vor 1 Jahr

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Google Voice page will not load - what the H3LL did you (developers) do to Firefox NOW???

Up until you pushed ver 71 Firefox on me, I had ZERO problems with Google Voice page loading. Now only the banner on the page load with my acct name and icon and the rest… (Lesen Sie mehr)

Up until you pushed ver 71 Firefox on me, I had ZERO problems with Google Voice page loading. Now only the banner on the page load with my acct name and icon and the rest of the page is BLANK except for the never ending spinning circle in the middle .... are you taking lessons in buggyness from CrApple OS??? My Voice account open just fine and fast on Opera, Brave, Vivaldi, and Edge Beta!!! Maybe you (Mozilla) should switch to the Chrome engine too, you are too buggy 90% of the time! PC - Win 7 32-bit, ALL UP TO DATE!

Gefragt von KeithBenicek vor 1 Jahr

Beantwortet von crankygoat vor 1 Jahr

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How do I open email attachements?

I use AOL Mail and now I cannot open ANY attachments on emails received. It used to be fine, but no longer. I have set the document types in Options -> General -> A… (Lesen Sie mehr)

I use AOL Mail and now I cannot open ANY attachments on emails received. It used to be fine, but no longer. I have set the document types in Options -> General -> Applications.

Gefragt von johnmoran29 vor 1 Jahr

Beantwortet von crankygoat vor 1 Jahr

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"Your organization has disabled the ability to change some options"

Look, this is a huge problem because this message isn't just showing up on my Fire Fox browser, it's also on my TOR browser. I'm not seeking to fix TOR here, I'm just say… (Lesen Sie mehr)

Look, this is a huge problem because this message isn't just showing up on my Fire Fox browser, it's also on my TOR browser. I'm not seeking to fix TOR here, I'm just saying that it's on there too and TOR uses Fire Fox - this message appears nowhere else on my PC or browsers. My system was just purchased brand new in Feb. This message did not display when I dl either browser. I've NEVER downloaded ANY Avast or anything like it, I use Windows Defender and that's it. I'm not a techie - but I'm like really neurotic over hard drive space - I don't download ANYTHING unless I absolutely HAVE to with the exception of browsers. I only download those from their official websites though. I do play some games, I've only downloaded games from Steam, Origin, and Utomik. I do have all of their clients on my PC. Other than that, there's been NOTHING I've dl. I only included that info because I thought it might help. Can someone PLEASE help with this. I tried to look at the registry, I'm not seeing anything that seems amiss but I need more specifics - I've read the other questions and answers on this - but I don't know HOW to change anything to see if it helps. I already am scared to death to touch the registry.

Gefragt von pam_e86 vor 1 Jahr

Beantwortet von cor-el vor 1 Jahr

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Can't play Netflix videos.

I've tried most of the Netflix (website's) suggestions to troubleshoot why videos won't play with Firefox; none could fixed the issue. The only suggestion I did not try i… (Lesen Sie mehr)

I've tried most of the Netflix (website's) suggestions to troubleshoot why videos won't play with Firefox; none could fixed the issue. The only suggestion I did not try is to disable Private browsing mode simply because I don't know how to do it and Firefox Support does not specifically address this task. I've also tried the suggestions provided by various forum responders to this issue ... again, no fix! Can someone please provide specific instructions on how to disable Private browsing?

I'm tired of switching from FF to IE every time I want to watch a movie.

Gefragt von ConiV vor 1 Jahr

Beantwortet von jscher2000 vor 1 Jahr

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How to automatically update pinned tabs when network is reconnected?

There are several pinned tabs when I open my Firefox. The problem is when there is no Internet connection, these tabs are displayed as requiring network connection. Howev… (Lesen Sie mehr)

There are several pinned tabs when I open my Firefox.

The problem is when there is no Internet connection, these tabs are displayed as requiring network connection. However when the network is connected, these tabs are not automatically updated - they still displayed as requiring network connection. I have to refresh each one of them.

Is that my configuration has problem, or the automatically refresh tab function is missing?

Thanks wxie

Gefragt von wxie vor 1 Jahr

Beantwortet von RobertJ vor 1 Jahr

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Updated Win10; pages now missing text, links are invisible

Since the first Win10 update about a week ago (there have been two in quick succession), pages are sometimes missing individual portions of text or in the case of the Moz… (Lesen Sie mehr)

Since the first Win10 update about a week ago (there have been two in quick succession), pages are sometimes missing individual portions of text or in the case of the Mozilla Help home page and others, almost all of the text.

Links appear to be there but are not visible (the cursor turns to an active cursor when passed over some parts of a page).

Win10 is now at 1903 for Win 64 Firefox is now at 68.0 for 64-bit

I had to use my phone to post this because I cannot post in the Community Support portion of Help.

Gefragt von FireFox Sync vor 1 Jahr

Beantwortet von FireFox Sync vor 1 Jahr

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This video file cannot be played.(Error Code: 232011) Firefox help gives no specific and direct answer to this NEW problem

I'm running latest Firefox 68.2 64bit on Windows 7x64 Ultimate. This is a new problem, I can plat any media with all my apps and on other sites but Accuweather News https… (Lesen Sie mehr)

I'm running latest Firefox 68.2 64bit on Windows 7x64 Ultimate. This is a new problem, I can plat any media with all my apps and on other sites but Accuweather News https://www.accuweather.com/en/videos/trending-now/co15rob4 videos are suddenly not playable. PS: Firefox Help was useless on this query/error. None of the results were relevant. Am I going to have to "Google Search for the solution? HELP please and thank you.

Gefragt von Tweaker vor 1 Jahr

Beantwortet von cor-el vor 1 Jahr

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Firefox suddenly stopped working.

Opens to blank page, no toolbar, all buttons don't work. I can type into URL window & will take me to a webpage but that's it. I am sending this from Safari because… (Lesen Sie mehr)

Opens to blank page, no toolbar, all buttons don't work. I can type into URL window & will take me to a webpage but that's it. I am sending this from Safari because I can't use Firefox.

Gefragt von pmrhodes vor 1 Jahr

Beantwortet von pmrhodes vor 1 Jahr

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I can not log in the website swissid.ch

When I want to log into my swissid account from another site when I have entered the password, nothing happened. When I try directly from the website swissid.ch the login… (Lesen Sie mehr)

When I want to log into my swissid account from another site when I have entered the password, nothing happened. When I try directly from the website swissid.ch the login page doesn’t charge.

Gefragt von HooK vor 1 Jahr

Beantwortet von FredMcD vor 1 Jahr

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I "sped things up" using the tools you provided. It took out my ad killer app. Why would you do this???

Put my ad killer back and keep your suggestions to yourselves from now on. It didn't speed anything up, it just slowed me down as I have to navigate the non stop ads from… (Lesen Sie mehr)

Put my ad killer back and keep your suggestions to yourselves from now on. It didn't speed anything up, it just slowed me down as I have to navigate the non stop ads from ATT...again!!

Gefragt von Matt Miller vor 1 Jahr

Beantwortet von user633449 vor 1 Jahr

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can't open links if Firefox is not already running

Firefox Developer Edition (67.0b5) is my default browser I'm running windows 10. if Firefox is running and i click on a link in my email, Firefox will open a new tab and … (Lesen Sie mehr)

Firefox Developer Edition (67.0b5) is my default browser I'm running windows 10.

if Firefox is running and i click on a link in my email, Firefox will open a new tab and show the page. if Firefox is NOT running and I click on a link, Firefox will open a blank tab; I'll have to click the link again - without closing Firefox - for the page to show.

this behavior is fairly new - about 4 updates back.

thank you;

Gefragt von Ghayth vor 1 Jahr

Beantwortet von cor-el vor 1 Jahr