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Windows 10 - Firefox no longer plays videos on twitter, netflix etc

I recently had a windows update on my desktop, since then videos on netflix and twitter (and a few other sites) will no longer play. Whenever visiting twitter I get a bar… (閱讀更多)

I recently had a windows update on my desktop, since then videos on netflix and twitter (and a few other sites) will no longer play. Whenever visiting twitter I get a bar pop up at the top suggesting I install "Microsoft's Media Feature Pack" and links me through to this article - https://support.mozilla.org/en-US/kb/fix-video-audio-problems-firefox-windows , I have the pack installed and it's up to date, I've tired via the Add Features system in Windows and via direct download, both to no avail.

Twitter will not load or play videos and netflix is the same. On Netflix I'm getting:

"Oops, something went wrong... Unexpected Error" and error code F7355 (see this article which indicates browser trouble https://help.netflix.com/en/node/105186).

Here are some other things I've tried, none of which have worked:

  • Checking for updates on windows
  • Checking for firefox updates
  • Checking for updates with the DRM addon Widevine
  • Ensuring Widevine is "Always Active"
  • Starting firefox in "Safe Mode"
  • Using a private browsing tab

I am running:

  • Windows 10 Pro N (as said above, I have installed the media pack in several ways)

OS Build: 18362.295.

  • Firefox Developer 70.0b3 64 bit.

I've also been seeing similar issues on my fiances machine with standard Firefox but her's says that Widevine has crashed on the top bar rather than suggesting we install Window's Media Feature Pack, although the other symptoms are the same. I don't have her machine to hand to grab versions from there but everything is up to date at time of writing and I've tried the same troubleshooting techniques on that machine as well.

Really stumped on this one and I'm very reluctant to switch back to Chrome simple to play netflix videos, but likewise it's quite important I can play videos around the web. I'll try anything else to fix it at this point, all suggestions welcome!

Elliot 於 11 個月前 詢問

RobertJ 最近回覆 於 11 個月前

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Firefox lags for a second when entering or exiting full screen with hardware acceleration

Firefox lags my PC for a second when entering or exiting full screen, locking my cursor in place as well. This happens when either pressing F11 to enter full screen or br… (閱讀更多)

Firefox lags my PC for a second when entering or exiting full screen, locking my cursor in place as well. This happens when either pressing F11 to enter full screen or bringing a YouTube video into full screen. This also only seems to occur when hardware acceleration is enabled, even though my GPU drivers and Windows are up-to-date.

Ethan Shaughnessy 於 10 個月前 詢問

jscher2000 最近回覆 於 10 個月前

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HI, Last two days I have face problem for calling facebook sharing window it is thirdparty call so pls allow call in firefox browser other browser it is working

I have give Facebook third-party call on client page but currently it is not working on Firefox it shows the "X-Frame-Options" issue please solve it.

mark27henry 於 10 個月前 詢問

cor-el 最近回覆 於 10 個月前

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the new password Generation feature: Can I get a length / Complexity option in options please.

I like my passwords to be at least 25 characters in length (as well as having the option to use high-ascii characters as well) there seems to be no option in FF 70.0 at t… (閱讀更多)

I like my passwords to be at least 25 characters in length (as well as having the option to use high-ascii characters as well) there seems to be no option in FF 70.0 at the moment.

Mak V. 於 9 個月前 詢問

cor-el 最近回覆 於 9 個月前

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Cannot change colour of unvisited links Firefox 70

Hi. I am registered visualy impaired and find the unvisited links hard to see in the blue colour. I used to have them as yellow, but since downloading Firefox version 70,… (閱讀更多)

Hi. I am registered visualy impaired and find the unvisited links hard to see in the blue colour. I used to have them as yellow, but since downloading Firefox version 70, it has reverted back to the blue colour, although being selected as yellow in the options. My friend has tried it, and has the same problem !!

sjh2 於 9 個月前 詢問

Cakes 最近回覆 於 8 個月前

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How to open a .Catalog file with unknown apllication

when I try to open this file in my laptop it is opening in MS Word, Check attachment (SS1). I have tried the same in another laptop firefox browser, in that is working an… (閱讀更多)

when I try to open this file in my laptop it is opening in MS Word, Check attachment (SS1). I have tried the same in another laptop firefox browser, in that is working and check attchment (SS2). How to change the option Open with to " Unkown Application".

kondareddy385 於 9 個月前 詢問

FredMcD 最近回覆 於 9 個月前

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Is anyone else unable to visit Amazon?

Connecting to the site was fine yesterday but after the latest update I keep getting "Did Not Connect: Potential Security Issue" errors each time I try to open the site. … (閱讀更多)

Connecting to the site was fine yesterday but after the latest update I keep getting "Did Not Connect: Potential Security Issue" errors each time I try to open the site. Is this just a wait and see fix on Amazon's end or is it on my end?

codygotkilld 於 9 個月前 詢問

jscher2000 最近回覆 於 9 個月前

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Bing keeps showing-up in one-click search engines and whenever I type anything in the URL bar.

I've recently noticed that after updating to 70.0, if I don't simply untick Bing as a search engine option, it will keep appearing at the bottom of my URL suggestions. I'… (閱讀更多)

I've recently noticed that after updating to 70.0, if I don't simply untick Bing as a search engine option, it will keep appearing at the bottom of my URL suggestions. I've tried unticking and even removing it from my list via Options, but if I exit out of and come back to Firefox, it shows up again. Is there any way for me to permanently remove Bing from my list of one-click search engines, or should I just keep it on the list but unticked?

finlandsberet 於 9 個月前 詢問

Wesley Branton 最近回覆 於 9 個月前

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Clicking external link(e.g. Link is discord) will always use default profile

I always using terminal to open my firefox by. firefox.exe -profile path\to\my\profile but when I click any external link, firefox keep using the default profile to open … (閱讀更多)

I always using terminal to open my firefox by.

firefox.exe -profile path\to\my\profile

but when I click any external link, firefox keep using the default profile to open the link.

I've tried 1. Google somthing about "maybe there's a command switch to force firefox keep in single instance" --- no luck. 2. Using "-no-remote" switch to open my profile

The only solution now is migrate my current profile to default profile to fix this issue, but I just don't like more stuff in %appdata% and also harder to manage the profile.

Hope someone can help me out ! Thanks !

info: Windows 10 1607 Firefox 70.0 x64

chlovenp 於 9 個月前 詢問

Wesley Branton 最近回覆 於 9 個月前

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why doesn't shockwave flash stay enabled on some pages after being granted permission?

When trying to play the facebook app Blade of Queen, I'm asked to initially enable shockwave flash, which I do. Then, when I click on the server I want to play on, it ask… (閱讀更多)

When trying to play the facebook app Blade of Queen, I'm asked to initially enable shockwave flash, which I do. Then, when I click on the server I want to play on, it asks for flash to be enabled again. I enable flash again, but nothing happens and everything is stopped right there.

Blades4119 於 9 個月前 詢問

Hiruksha Deshan 最近回覆 於 9 個月前

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I am getting the error message "this website contains content that is not secure (such as images)" while trying to stream live tv on Fox Sports Go.

When I click on the lock button in the address bar, there is no option letting me disable it for this site (see attched screenshot). I enabled flash to play the video, bu… (閱讀更多)

When I click on the lock button in the address bar, there is no option letting me disable it for this site (see attched screenshot). I enabled flash to play the video, but it is blocking the video image. However, I am able to here the audio. I am running Firefox 69 on my Mac. Is there a way to enable all images for this site?

CMills 於 9 個月前 詢問

jscher2000 最近回覆 於 9 個月前

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Deleted all browisng history, everything. I had saved logins that were deleted with it. Is there a way to get my saved logins back?

I deleted everything from my browsing history, and forgot that saved logins and such would be deleted as well. Is there any way to get these back, to recover them? … (閱讀更多)

I deleted everything from my browsing history, and forgot that saved logins and such would be deleted as well. Is there any way to get these back, to recover them?

garrett101234 於 9 個月前 詢問

jscher2000 最近回覆 於 9 個月前

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Big download (78GB) gets stuck after some time (at 59.2 GB for me)

Hello! I'm trying to download a .zim file of Wikipedia that has 78GB. This is the second time I try downloading this file, as the first time it got stuck at ~37 GB after … (閱讀更多)

Hello! I'm trying to download a .zim file of Wikipedia that has 78GB. This is the second time I try downloading this file, as the first time it got stuck at ~37 GB after accidentally shutting down my PC. This time however, it just got stuck at 59.2GB (the download speed was stuck at 2.2 MB/s). After some time being stuck it just failed. After pressing retry it "resumed" but it was still stuck. I tried this thig too (https://techsive.com/how-to-resume-failed-downloads-in-mozilla-firefox/) to no avail. Please help. Thanks!

ovidiudascalu.timisoara 於 9 個月前 詢問

smihiran98 最近回覆 於 9 個月前

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Eliminate "Recently Bookmarked" and show the "Other Bookmarks" bookmarks in the sequence I want

I click on the Books icon. I click on "Bookmarks". "Recently Bookmarked" displays a list of UNSORTED bookmarks. "Other Bookmarks" displays a list of bookmarks in the sequ… (閱讀更多)

I click on the Books icon. I click on "Bookmarks". "Recently Bookmarked" displays a list of UNSORTED bookmarks. "Other Bookmarks" displays a list of bookmarks in the sequence I want.

Is there a way to eliminate "Recently Bookmarked" and show the "Other Bookmarks" bookmarks in the sequence I want?

gcotterl 於 9 個月前 詢問

jscher2000 最近回覆 於 9 個月前

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why does running an extension in private mode still allow it to access my online activity

The article "Extensions in Private Browsing" has a section called "Enabling or disabling extensions in private windows". It shows that you can toggle whether the extensi… (閱讀更多)

The article "Extensions in Private Browsing" has a section called "Enabling or disabling extensions in private windows". It shows that you can toggle whether the extension will be allowed/not allowed to be run in private windows. The part that's causing confusion to me, is why an extension running in private window can access my online activity. Does that not defeat the purpose of browsing in private mode? The article does not provide a clear explanation for this.

woob 於 9 個月前 詢問

cor-el 最近回覆 於 9 個月前