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Can I install and use two different versions of Firefox at the same time? If yes, how ?

The main use of the PC in my living room is as a media center. My GUI (Plex) runs in the browser and plays videos with VLC via a custom addon. Currently it is also used f… (xem thêm)

The main use of the PC in my living room is as a media center. My GUI (Plex) runs in the browser and plays videos with VLC via a custom addon. Currently it is also used for browsing from time to time and I need to keep that part of it secure. As Mozilla is about to break all my addons as well as force me onto 64 bit, I've no choice but to stop updating Firefox on that PC.

I found a old post (3 years old) about running two different versions of Firefox at the same time. https://support.mozilla.org/en-US/questions/974208

Is it still possible to do this? Does the same methods still work?

I want to freeze my current 32 bit Firefox at v54.0.1 and use it only for local content. (I've already disabled updates on it)

Then I want to then install a second 64 bit Firefox v55, use it for internet, and allow it to update normally.

If this isn't possible I'll just have to switch to a different browser.

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How do I DISABLE CERTIFICATE checks?

How might I disable Fire Fox from checking web site certificates? WHY: I get too many "Secure Connection Failed" when there is really no problem. BING.COM doesn't have a… (xem thêm)

How might I disable Fire Fox from checking web site certificates?

WHY: I get too many "Secure Connection Failed" when there is really no problem. BING.COM doesn't have a bad cert according to other browsers - but FF seems to have a problem it. I would like to disable any Fire Fox checking any web site certificate. How?

Cert error is: SEC_ERROR_OCSP_INVALID_SIGNING_CERT

Thanks o

Đã được hỏi bởi Outernaut 3 năm trước

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video are not loading in firefox

now i have windows XP and Firefox v 52.5 but i can't seem to watch any video in Firefox but other browsers like chrome or IE i seem to have no problem.can anyone help?? … (xem thêm)

now i have windows XP and Firefox v 52.5 but i can't seem to watch any video in Firefox but other browsers like chrome or IE i seem to have no problem.can anyone help??

i have flash v29 installed and vlc but the videos are still not working. i usually get error like "No compatible source was found for this media." or "setup time took longer the 30 sec", no matter how many time i refresh I'm not able to play the video.

ps: youtube videos work fine

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How can I copy passwords from one firefox to another ?

I am so frustrated. I just built a new PC running Windows 10 pro 64 bit. I installed Firefox as I do on all my PCs. However, it used to be easy to copy all my bookmarks… (xem thêm)

I am so frustrated. I just built a new PC running Windows 10 pro 64 bit. I installed Firefox as I do on all my PCs. However, it used to be easy to copy all my bookmarks and my passwords from one PC to another. Now, I have spent 4 hours plus on trying to get the passwords to copy from one of my PCs to my new one. Absolutely no success, but plenty of frustration. After losing my ability to multi-row my bookmark toolbar, I was unhappy but this makes me sick. I have well over 500 passwords to different websites and now I can't copy them from one PC to another. I have tried your technique of old, but it fails every time. It would be nice if someone there actually thought about the users and the ease of doing things within your program. If you check, I am a supporter. I have financially supported your program and would again. Please write something that is CLEAR, CONCISE and EASY to understand that tells your users how to export paswords, bookmarks, etc from one PC to another. All of my PCs updated to your new browser "Firefox Legacy" and now many of my add-ons don't work. Thank you so very much! I added those programs to make things easier to use, however in someone's wisdom, they thought people didn't need them anymore since we were getting LEGACY. I am frustrated, very frustrated and I normally don't bother writing to programming companies because in general, they don't care. I am hoping that Mozilla does, although right now, it appears they changed so much and users suffer. Pale Moon is what you used to be, friendly, easy to use and you can put whatever add-on you wish. However I can't change to Pale Moon because I can't get my passwords out of your newly created mess. Thank you. Ken Bell

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How do I fix Firefox so the Captcha boxes are back?

PROBLEM: Accessing a site I've always used with ease, and siumilar others, login pages no longer show the Captcha "I'm not a robot." that uses the images "Click on the st… (xem thêm)

PROBLEM: Accessing a site I've always used with ease, and siumilar others, login pages no longer show the Captcha "I'm not a robot." that uses the images "Click on the street signs", or "cars" or... etcetera. Yet, Chrome displays it fine, as does IE.

TESTS: - Tried to access with add-ons at normal. FF has, as always, has Adobe products blocked. FF refuses to let me use it anyway, refuses to let me upgrade it because the FF "Upgrade" link just opena a Moz wall of geekinese attempting to explain that FF is protecting me - but no update. I fought FF and was still able to update Adobe stuff.

- Tried with all addons disabled.

- The "About Mozilla Firefox" screen that cannot be copied and pasted here on barely visible, very light gray font "Firefox is up to date". 52.1.2 (32-bit) Apparently, it is now called Firefox ESR. What ever that means.

I've attached an image showing both versions. The working one by the Stalker - Chrome, and the one that quit by Firefox.

How do I fix Firefox so the Captcha boxes are back?

O

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HELP FACEBOOK VIDEOS DO NOT WORK ON FIREFOX (EVEN LATEST VERSION)

Hi there Mozilla Support: The other day I'm been having issues with FF. It's mainly focused on Facebook videos NOT playing at all but just loading and sometimes just blan… (xem thêm)

Hi there Mozilla Support:

The other day I'm been having issues with FF. It's mainly focused on Facebook videos NOT playing at all but just loading and sometimes just blank. The issue is just Facebook videos because if I go to youtube then all videos will still work. I've done countless troubleshooting steps which is why I'm here now:) Anyhow this is what I've done so far:

1)Disabled ALL FF addons as well as individual addons to seclude any incompatibilities but still no videos

2)Restarted FF in safe mode AND REFRESH FIREFOX but still no success

3)I'm assuming that Adobe Flash could be the culprit however I've COMPLETELY UNINSTALLED (PROPER UNINSTALLATION THAT I FOLLOWED ON ADOBE'S WEBSITE) flash and reinstalled Version 17, 21, 23 and the most recent version of FLASH 25.0.0.71 but still no answer

4) Updated my Nvidia Display driver from Nvidia's site but still no answer

5)Downloaded Flash Video player (ADD ON THAT FORCES SITE TO PLAY MEDIA WITH FLASH) from Mozilla add on site, installed, but still no Facebook videos loading

I'm still running XPSP3 but unfortunately based on my work software, XP is only compatible with that software which is why I'm still using the OS. Obviously for browser purposes I've ALWAYS USED FF since I was in high school:) I just love it in terms of speed and functionality however this past week has been a drag with Facebook videos not loading. I DO NOT want to switch to another browser. I still believe there's a light at the end of the tunnel with FF:)

NOTE: I'm not sure if this contributes to the problem however a couple of days before I did a few things:

a)There was the WannaCry ransomware bug (don't worry I wasn't affected by it) and I did get a patch from Microsoft for my XP machine. I installed it and it was successfully installed in my program list. I also tried tampering with the media plugins in FF's about:config. However I thought if I refreshed FF then this should set all media plugins and others to their DEFAULT values.


Hi cor-el:

I went to the prompt you told me to do and kinda found something interesting. Every time I play a FB video and go to Tools> Web Developer > Web Console, it comes up with an error message saying something about .mp4 playback.

This is weird because I recently installed ALL codecs from K-Lite codec pack which I'm assuming includes codecs such as .mp4, .ogg, .webm, etc., Please find an attached pic of the problem and get back to me asap as I've not been able to view ANY videos,


Hi Cor-el:

I also tried the second solution you told me to do (Primetime Content Decryption Module) however the videos still don't play.

Another thing I tried was to update to the LATEST version of FF for WinXP which I believe is the ESR version 52. Still after going to Facebook and logging into my account the videos just go blank with the error shown in the attached pic.

As a temp fix I recently installed Chrome. Apparently Chrome has no issue playing the videos but then again Chrome has all their plugins built on. I never liked Chrome and never will but like I said as a temp fix I'm just using it to view my videos. I WOULD PREFER Firefox and I just don't know what the issue is! Please get back to me when you get the chance


P.S I wasn't sure if the 'replies' function as I haven't from you guys in almost a day so that's why I'm placing the replies inside the original question. Hopefully this helps:)


Anyhow there's also an attachment (jpg) file of the issue I'm having and I hope that you guys can help with the Facebook issue

Regards,

Stan

Đã được hỏi bởi stan111 3 năm trước

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Error SEC_ERROR_UNKNOWN_ISSUER browsing internally issued web certificate. Certificate chain correct. Advanced "Peer’s Certificate issuer is not recognized"

Peer’s Certificate issuer is not recognized. HTTP Strict Transport Security: false HTTP Public Key Pinning: false Certificate chain: BEGIN CERTIFICATE----- MIIGDjCCBPagA… (xem thêm)

Peer’s Certificate issuer is not recognized.

HTTP Strict Transport Security: false HTTP Public Key Pinning: false

Certificate chain:


BEGIN CERTIFICATE-----

MIIGDjCCBPagAwIBAgITdwAAJ0duIiMYEnPi/AADAAAnRzANBgkqhkiG9w0BAQsF ADCBiDESMBAGCgmSJomT8ixkARkWAmF1MRMwEQYKCZImiZPyLGQBGRYDbmV0MRMw EQYKCZImiZPyLGQBGRYDYWJjMRUwEwYKCZImiZPyLGQBGRYFYXVudHkxEzARBgoJ kiaJk/IsZAEZFgNhdXMxHDAaBgNVBAMTE2F1cy1OVUNQU0VDU0NBMDEtQ0EwHhcN MTcxMTIzMDMxODA0WhcNMjIxMTIyMDMxODA0WjB4MQswCQYDVQQGEwJBVTEMMAoG A1UECBMDTlNXMQ8wDQYDVQQHEwZTeWRuZXkxDDAKBgNVBAoTA0FCQzEMMAoGA1UE CxMDQUJDMS4wLAYDVQQDEyVhZGVsYWlkZWhvdXNlbW9uLmF1cy5hdW50eS5hYmMu bmV0LmF1MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCyMjFu7p24kM2osD42 kxzOstz6E1UGh89wNjF7gdlJuqkPthf7UG+9LOm+ZaxWOo2xDDZOcWg8nA9/Tvm3 wVesvIa+sIlPsEfvDpTHV5G0Q3hj9BLZy6aGoOKQ+QCDcP3QGYY/BmrgEVYGO3FR QzIUN8/ewzupB54Hc9RGnACtrQIDAQABo4IDAjCCAv4wPQYJKwYBBAGCNxUHBDAw LgYmKwYBBAGCNxUIh7GvAYTd8yeE1ZE2haDuPIKsyy5thIboIYS0pkQCAWgCAQww EwYDVR0lBAwwCgYIKwYBBQUHAwEwDgYDVR0PAQH/BAQDAgWgMBsGCSsGAQQBgjcV CgQOMAwwCgYIKwYBBQUHAwEwHQYDVR0OBBYEFJiTltqiS4ccangUJIaMii1aWeLN MDAGA1UdEQQpMCeCJWFkZWxhaWRlaG91c2Vtb24uYXVzLmF1bnR5LmFiYy5uZXQu YXUwHwYDVR0jBBgwFoAUns+j+FBzfWoUJNWD//rgZRlmn7kwggE0BgNVHR8EggEr MIIBJzCCASOgggEfoIIBG4aBzWxkYXA6Ly8vQ049YXVzLU5VQ1BTRUNTQ0EwMS1D QSgxKSxDTj1OVUNQU0VDU0NBMDEsQ049Q0RQLENOPVB1YmxpYyUyMEtleSUyMFNl cnZpY2VzLENOPVNlcnZpY2VzLENOPUNvbmZpZ3VyYXRpb24sREM9YXVudHksREM9 YWJjLERDPW5ldCxEQz1hdT9jZXJ0aWZpY2F0ZVJldm9jYXRpb25MaXN0P2Jhc2U/ b2JqZWN0Q2xhc3M9Y1JMRGlzdHJpYnV0aW9uUG9pbnSGSWh0dHA6Ly9jcmwtYWJj cG9ydGFsLm1zYXBwcHJveHkubmV0L0NlcnRFbnJvbGwvYXVzLU5VQ1BTRUNTQ0Ew MS1DQSgxKS5jcmwwgdAGCCsGAQUFBwEBBIHDMIHAMIG9BggrBgEFBQcwAoaBsGxk YXA6Ly8vQ049YXVzLU5VQ1BTRUNTQ0EwMS1DQSxDTj1BSUEsQ049UHVibGljJTIw S2V5JTIwU2VydmljZXMsQ049U2VydmljZXMsQ049Q29uZmlndXJhdGlvbixEQz1h dW50eSxEQz1hYmMsREM9bmV0LERDPWF1P2NBQ2VydGlmaWNhdGU/YmFzZT9vYmpl Y3RDbGFzcz1jZXJ0aWZpY2F0aW9uQXV0aG9yaXR5MA0GCSqGSIb3DQEBCwUAA4IB AQBnsceCzHQ3fgmKDa1ARpR9KjFYwhxz617ixtZ4WKFh+RuaLoyLQRPqawgf8QCa bFMb9MbvLdD27n5bzrdDY+YRg6G4N4biXi1tqRiRu5pgr6Zsn2tUkU0rC5mLP8RZ Gnc0k0pJFPKPyXHa23SjfgW7o3zxVWwbrwGL5ws4SYOYHEPKlamLDDC1C5FvBxWA nLiPwwqAXYjkTP4rnag/1wrAUcq5qF7m06k5j0c92r27nV/IVV8BVtPUL3EMvTw+ FUwYrzgGKMvqc8GtYDjhdOLsZiWAVTBb4s7Vs9vLUTLR5Kr8SuuZnHTyONoh6jOa bDWmsGemYelvX/89e6et2TYA


END CERTIFICATE-----
BEGIN CERTIFICATE-----

MIIE8DCCA9igAwIBAgITJQAAAAv78K96DnPiKQAAAAAACzANBgkqhkiG9w0BAQsF ADAUMRIwEAYDVQQDEwlBQkNSb290Q0EwHhcNMTcwNDExMDU0ODE2WhcNMzcwMTEy MjIzODM5WjCBiDESMBAGCgmSJomT8ixkARkWAmF1MRMwEQYKCZImiZPyLGQBGRYD bmV0MRMwEQYKCZImiZPyLGQBGRYDYWJjMRUwEwYKCZImiZPyLGQBGRYFYXVudHkx EzARBgoJkiaJk/IsZAEZFgNhdXMxHDAaBgNVBAMTE2F1cy1OVUNQU0VDU0NBMDEt Q0EwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDUUh/oe/yZrUrQC/Yi rNO8iYNOkg3ejIlzsw9gQOsbiHxqiexAXVueGVC75gDjgkXWdt+bYrUAXtiPRrf/ TQFyVMBTp4MtzmiTCgEonZrRMNfLu+Un4uW1m4VeKEg9FKJzIRZyBqKdPq5g6byb NnoUHvDrMw3O70YbiR8v51Gq+PY5ew8ZRhJF7k86s21YBWeZ4lkVTLsFTbko/0R5 Obn/Uk6xML3ffPp0V6UAPjDE6lOq5qizpEYryUWiMIgOV4Fv2HBPqNvpHxeW9TG+ 64BzXOyKDHBb/uCghQI1tyEo5TsyliEf6Htxw8v7LnG75CXyTbQ1hMSO3+axhWbm 6XcvAgMBAAGjggHEMIIBwDASBgkrBgEEAYI3FQEEBQIDAQADMCMGCSsGAQQBgjcV AgQWBBQMqkvA7hG66tElJCgplomEvRXupTAdBgNVHQ4EFgQUns+j+FBzfWoUJNWD //rgZRlmn7kwGQYJKwYBBAGCNxQCBAweCgBTAHUAYgBDAEEwCwYDVR0PBAQDAgGG MA8GA1UdEwEB/wQFMAMBAf8wHwYDVR0jBBgwFoAUNUk/u75iU8ersPpjEAeLgOuJ CBowawYDVR0fBGQwYjBgoF6gXIYsaHR0cDovL05VQ1BTRUNTQ0EwMS9DZXJ0RW5y b2xsL0FCQ1Jvb3RDQS5jcmyGLGh0dHA6Ly9OTFBQU0VDU0NBMDEvQ2VydEVucm9s bC9BQkNSb290Q0EuY3JsMIGeBggrBgEFBQcBAQSBkTCBjjBFBggrBgEFBQcwAoY5 aHR0cDovL05VQ1BTRUNTQ0EwMS9DZXJ0RW5yb2xsL05VQ1BTRUNSQ0EwMl9BQkNS b290Q0EuY3J0MEUGCCsGAQUFBzAChjlodHRwOi8vTkxQUFNFQ1NDQTAxL0NlcnRF bnJvbGwvTlVDUFNFQ1JDQTAyX0FCQ1Jvb3RDQS5jcnQwDQYJKoZIhvcNAQELBQAD ggEBABpEc6rXRK+KT9vdVeUxv6H2rxwgnXiqWQLsLhJ/xoHw5lpO4mhgwOnf/h2l jxd5D2qsxezO8c0E0pqXU8miQbiDajA/JdXCplKYI72Q5orpa200mGZyvfnSXTbU +gYiGisCA3wwlyJGHxkoRM1p2xFzjxgo/dEGR6WUyj5bGVcppu4yzyez/ABVq19G RSClpH359fWJre3t3D4SvpNLmS3RufFU7WvAz6SUqdHfCLxpNDMl1vSPaC41W0qs kUg3GbQ9LkBkJgKWcawj+gLOApMj32YGzdMkbERxDauFB39/j3UdCINeTdXy5RDM HCYG+xsRiqHyS4ccaYXX2yKOCNk=


END CERTIFICATE-----

Đã được hỏi bởi varu 2 năm trước

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When i search in google, the result shows in yahoo. But i need to result in Google. so how can i solve this?

When i google search in Mozilla Firefox, the result shows in yahoo. but i need shows the result only in google. Please tell me how can i solve this.

Đã được hỏi bởi Dextermonir 3 năm trước

Đã được trả lời bởi Happy112 3 năm trước

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SSL_ERROR_NO_CYPHER_OVERLAP when accessing router web interface

An error occurred during a connection to 192.168.1.179. Cannot communicate securely with peer: no common encryption algorithm(s). Error code: SSL_ERROR_NO_CYPHER_OVERLAP … (xem thêm)

An error occurred during a connection to 192.168.1.179. Cannot communicate securely with peer: no common encryption algorithm(s). Error code: SSL_ERROR_NO_CYPHER_OVERLAP

Upgraded from FF 45 to FF55.2.3 ESR and lost connection to all our routers, access points and hardware.

On FF45 had warning of insecure connection, but had advanced tab to add exception - then everything worked fine.

On FF55 there is no option to do this. Have cehcked forums etc. and tried all the security.tls etc options but same error message - of interest using the IETab plug in and using that rendering engine it connects after a warning but not in standard firefox.

Profile is the same as previous versions - all our pcs use the same profile and a FF45 still works fine on SAME profile.

These are ALL local IP and never over internet! (The IP is local https://192.168.1.179/start.htm) and they are all Netgear products with no firmware upgrades available.

Please how can I ensure that access to our equipment is continued without reverting to an older version?

Đã được hỏi bởi John.Richards 2 năm trước

Đã được trả lời bởi James 2 năm trước

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Thanks for no longer supporting Java, now no one using Firefox can use my WordPress blog, which REQUIRES Java. Good job. Opera is now my default browser.

Thanks for all the great work over the years, FireFox was truly the best around. It still would be if you hadn't stopped supporting Java, which is probably used on a few … (xem thêm)

Thanks for all the great work over the years, FireFox was truly the best around. It still would be if you hadn't stopped supporting Java, which is probably used on a few billion pages. By dropping Java you've rendered Firefox almost irrelevant and, while not useless, close to it. So I can either start going back and forth between FireFox and Opera now, or save myself all that hassle, as most are going to do, and just get used to Opera and stay there.

But... if you ever make FireFox fully functional again, I'll be back. I hope you do before I get too used to Opera to want to make the switch again.

Đã được hỏi bởi BlackSheep123. 3 năm trước

Đã được trả lời bởi BlackSheep123. 3 năm trước

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Secure Connection Failed

https://forum.xcsoar.org/ has suddenly started failing to connect due to 'Secure Connection Failed' using Firefox ESR 52.1.0 (32-bit). I have accessed this site many tim… (xem thêm)

https://forum.xcsoar.org/ has suddenly started failing to connect due to 'Secure Connection Failed' using Firefox ESR 52.1.0 (32-bit). I have accessed this site many times before and it still works from other browsers e.g. Chrome. The certificate is shown as being valid 128bit TLS1.2

Đã được hỏi bởi guycorbett 3 năm trước

Đã được trả lời bởi jscher2000 3 năm trước

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How to go full screen mode?

REAL full screen. Why is it so difficult in this version to go true full screen? Having the tab and address bar visible doesn't satisfy the definition of full screen. I … (xem thêm)

REAL full screen.

Why is it so difficult in this version to go true full screen? Having the tab and address bar visible doesn't satisfy the definition of full screen. I have looked around forums and in preferences and it almost appears as though Mozilla doesn't want to make it easily accessible. Why?

Đã được hỏi bởi LaGuillotine 3 năm trước

Đã được trả lời bởi Happy112 3 năm trước

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What is the official date that Firefox ESR will stop supporting Java npapi plugins?

Has there been any new information regarding Firefox ESR ending support for NPAPI plugins like Java? Is the deadline still set for May 8, 2018 or has it been extended? … (xem thêm)

Has there been any new information regarding Firefox ESR ending support for NPAPI plugins like Java? Is the deadline still set for May 8, 2018 or has it been extended?

Đã được hỏi bởi skirsch01 2 năm trước

Đã được trả lời bởi philipp 2 năm trước

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website dropdown menu not working in firefox 32bit 52.0.1 windows xp pro sp3

I am using firefox 32bit 52.0.1 windows xp pro sp3, i visit a website page ( https://www.utransto.com/en/topup/number/ ) but when i try to click on drop down country s… (xem thêm)

I am using firefox 32bit 52.0.1 windows xp pro sp3, i visit a website page ( https://www.utransto.com/en/topup/number/ ) but when i try to click on drop down country selection menu ... it is not working. Even i can't enter any number in that field and NEXT button is also not working.

Please check and fix this problem.

Waiting for your positive reply.

Thanks

Đã được hỏi bởi ffuserman 3 năm trước

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Spotify requires I enable DRM & gave instructions how but option to enable not there!

I tried to open the spotify web player. It said "Playback of protected content is not enabled." It gave me instructions, saying "Enter the following into your browser add… (xem thêm)

I tried to open the spotify web player. It said "Playback of protected content is not enabled." It gave me instructions, saying "Enter the following into your browser address bar: about:preferences#content. Under DRM content, make sure Play DRM content is enabled." But the option is not there. on any version of firefox I've looked at.

Đã được hỏi bởi pastelarmymen 3 năm trước

Đã được trả lời bởi cor-el 3 năm trước

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How can I remove the From Doc to PDF when opening a new tab?

When I open a new tab, the tab opens to "FromDocToPDF" and a search enhanced by google. I want the new tab to open to google search page. How do I remove the "FromDocTo… (xem thêm)

When I open a new tab, the tab opens to "FromDocToPDF" and a search enhanced by google. I want the new tab to open to google search page. How do I remove the "FromDocToPDF" path on new tabs?

Đã được hỏi bởi Chosen 3 năm trước

Đã được trả lời bởi Happy112 3 năm trước

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Trying to find what character was replaced with Unicode replacement character

I am working with Firefox 52.1.2 on Ubuntu 14.04 (x86). In general I can see characters correctly, but sometimes I see a Unicode replacement character (octal 357 277 275)… (xem thêm)

I am working with Firefox 52.1.2 on Ubuntu 14.04 (x86). In general I can see characters correctly, but sometimes I see a Unicode replacement character (octal 357 277 275), for example on this page:

http://www.mathhelp.com/how_to/slope-intercept_form/using_slope-intercept_form_to_graph_a_line/

I see "equation of a line is y = 3/4 x (?) 2" and I suspect from context the replaced character is a dash or minus sign.

I have verified that I enabled the option for pages to download their own fonts.

I'm trying to find out exactly what was the replaced character so that I can try to find a font to install which contains it, but when I copy and paste the text, I get the Unicode replacement character, not the original character. How can I find out what's the original character?

I tried looking at the page source -- no luck, the replacement character appears there too.

Thanks in advance for any advice.

Đã được hỏi bởi robert_dodier 3 năm trước

Đã được trả lời bởi cor-el 3 năm trước