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MP4 files won't work in Firefox

As the title says, I cannot get MP4 files to play in Firefox, which renders several websites unusable. These sites work in Edge just fine, but I cannot get them to work i… (閱讀更多)

As the title says, I cannot get MP4 files to play in Firefox, which renders several websites unusable. These sites work in Edge just fine, but I cannot get them to work in my preferred browser. Everything is up to date, and I have all the codecs I could ever need installed, as well as the Windows N Media Feature Pack. The browser has been tested several times in troubleshooting mode, and I've even gone as far as running Windows in safe mode with networking to try to isolate the issue. I cannot get it to work at all. This is the 2nd device I've had this issue on, and it's driving me up a wall.

Any help or advice would be greatly appreciated.

Firefox 103.0 (64-bit) Windows 10 Pro N 21H2 19044.1865

natas.hastings 於 1 週前 詢問

jscher2000 - Support Volunteer 於 1 週前 解答

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Changing zoomlevel for all websites to 90% not possible with version 103.0.1 ?

A few days ago I got the new Firefox version 103.0.1. And now áll websites I visit are larger than they were before, I didn't change anything and zoomlevel in e.g. about:… (閱讀更多)

A few days ago I got the new Firefox version 103.0.1. And now áll websites I visit are larger than they were before, I didn't change anything and zoomlevel in e.g. about:preferences is still 100%

Now, with all the websites I visit I have to manually change the zoomlevel to 90%, to have them at the same level as before the update.

What do I have to change to have the zoomlevel set permanently at 90% ?

I've tried numerous times the "solution" Mozilla gives me: "Change zoomlevel in about:preferences to 90% but that doesn't work: no matter how many times I close Firefox, and restart, or restart the entire computer, it still defaults to 100%, and I still have to change the zoomlevel to 90% for each website I visit.

jwkooistra 於 1 週前 詢問

jscher2000 - Support Volunteer 於 1 週前 解答

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Latest Firefox update makes view too large

It's as simple as that. Latest Firefox update makes view too large. Woke up this morning, logged on & opened the browser, and after an update, suddenly all my page v… (閱讀更多)

It's as simple as that.

Latest Firefox update makes view too large.

Woke up this morning, logged on & opened the browser, and after an update, suddenly all my page views are exploding beyond the margins. How do I get them back to normal?

Thank you.

springheel 於 1 週前 詢問

cor-el 於 1 週前 解答

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i click on the download folder in firebox and doesn't open

i click on the download folder in firebox and doesn't open as its used to. i already did the "refresh" and didnt word if someone has a idea how to fix this, thanks … (閱讀更多)

i click on the download folder in firebox and doesn't open as its used to.

i already did the "refresh" and didnt word

if someone has a idea how to fix this, thanks

the.spectre 於 1 週前 詢問

the.spectre 於 1 週前 解答

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Bookmark issues, tearing my hair, wha's left, out

Duplicating of bookmarks now sorted by clearing all, thanks. Now, in the drop faves the bookmark menu is missing but appears in left pane when manage tab pressed? what is… (閱讀更多)

Duplicating of bookmarks now sorted by clearing all, thanks. Now, in the drop faves the bookmark menu is missing but appears in left pane when manage tab pressed? what is going on!

changeittillitbreaks 於 1 週前 詢問

changeittillitbreaks 於 1 週前 解答

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Open file saves to downloads folder.

Hi all, So I recently got a new laptop for work, so naturally installed the latest version of Firefox on it. I see in a previous version, they changed the way "Open file"… (閱讀更多)

Hi all,

So I recently got a new laptop for work, so naturally installed the latest version of Firefox on it. I see in a previous version, they changed the way "Open file" works, so now instead of it downloading to your TEMP folder and opening the file and hiding where it is "saved", it now just SAVES the file to the Downloads folder and opens it.

This is a problem for me at work, as I essentially open 100s of files every day and my Downloads folder is just full of junk now that I would need to sort out from what is junk and what isn't. Is there a way to change this back to the way it was, or is there a way to make it so that when I tell Firefox to OPEN a file, that it saves it a different location from my default Downloads folder? This way I could simply schedule a task to auto delete files older than X days, without risking files that I actually want saved.

Thanks very much.

Frogger60 於 1 週前 詢問

AliceWyman 於 1 週前 解答

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Recent Firefox update has caused my screen view to be larger than normal.

I had posted this earlier and got a response or at least I was sent a link to a post that supposedly dealt with this issue. That said, my original post was deleted and I… (閱讀更多)

I had posted this earlier and got a response or at least I was sent a link to a post that supposedly dealt with this issue.

That said, my original post was deleted and I cold not repond.

Because I need to say this "fix" isn't permanent, or perhaps I did it wrong. Nevertheless, the fix only takes as long as I have the browser open. If I close it, and reopen it, my view is overly large again.

So, at least for me, my issue with the view in Firefox has not been solved.

Thank you.

springheel 於 1 週前 詢問

AliceWyman 最近回覆 於 1 週前

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Firefox Has Stopped Downloading Anything

Firefox 103.0 - 64bit; Windows 10. Since Monday, I have been unable to download anything. The download starts and after a couple of seconds reports "Failed". I have trie… (閱讀更多)

Firefox 103.0 - 64bit; Windows 10. Since Monday, I have been unable to download anything. The download starts and after a couple of seconds reports "Failed". I have tried starting in safe mode and it still fails. I've done a refresh to no effect. I also have another machine which has the same Firefox version and a copy of the profile but still runs Windows 7. No problem with that one....

Anyone got any ideas?

john800 於 1 週前 詢問

john800 於 1 週前 解答

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Can't add bookmarks to bookmarks bar

I just restored my bookmarks and found I needed to add some bookmarks to my bookmarks bar. However, I couldn't drag the site's padlock to the bookmarks bar. I have an ove… (閱讀更多)

I just restored my bookmarks and found I needed to add some bookmarks to my bookmarks bar. However, I couldn't drag the site's padlock to the bookmarks bar. I have an overflowing bar, but the link didn't go into the overflow area. What's wrong here?

crogerblair1 於 1 週前 詢問

crogerblair1 於 1 週前 解答

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Automatic download attachments

How can I disable the annoying function of automatic download of attachments every time I access one even though I used to be able to just open them or decide to download… (閱讀更多)

How can I disable the annoying function of automatic download of attachments every time I access one even though I used to be able to just open them or decide to download. Tired of deleting every blasted file into recycle when I don't want this. It doesn't matter if I select "ask where to download" box is checked.

wb2yqh 於 1 週前 詢問

jscher2000 - Support Volunteer 於 1 週前 解答

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Firefox 103 new bug: Hide tab bar on when there is only one tab - does not work anymore

Hi! I hardly use tabs, and I have a widescreen notebook. So one of the most important features a browser must have is not to waste vertical space. Unfortunately, Firefefo… (閱讀更多)

Hi!

I hardly use tabs, and I have a widescreen notebook. So one of the most important features a browser must have is not to waste vertical space.

Unfortunately, Firefefox has always tab bar open even if there is only one tab.

Fortunately, there is a css code to overcome this problem.

Unfortunately, it does not work with FF 103 anymore. It always shows a "+" sign.

How can I get rid of tab bar now?

Dimi

PS: This was my code, there are others too but also not working anymore:

 tab:only-of-type, tab:only-of-type + #tabs-newtab-button {
   display: none !important;
 }
 #tabbrowser-tabs, #tabbrowser-arrowscrollbox {
   min-height: 0 !important;
 }

DimiSp 於 1 週前 詢問

DimiSp 於 1 週前 解答

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missing print "page setup" in Mozilla v85

With the new v85 of Firefox... for Microsoft Print to PDF... the defaults for print headers & footers has changed and is no longer available to edit or even view. It … (閱讀更多)

With the new v85 of Firefox... for Microsoft Print to PDF...

the defaults for print headers & footers has changed and is no longer available to edit or even view. It seems as though my settings remain in place for other printing options like my physical printer but even there the options are not editable or viewable.

There used to be a "page setup" option but I have not be able to find this anywhere anymore.

I'm assuming that it has to do with the bug fix for pdf printing but doesn't seem that it should be an intended outcome of the fix.

Any work arounds anyone knows about or has found?

Cobalt TiNor 於 1 年前 詢問

jscher2000 - Support Volunteer 於 1 年前 解答

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Where did Page Setup / Margins & Header/Footer go?

I'm using Firefox 85.0.2 . . . I was doing this (below), to customize my header and footer, but in this version of FF, I no longer see this in Options - only in: about:c… (閱讀更多)

I'm using Firefox 85.0.2 . . . I was doing this (below), to customize my header and footer, but in this version of FF, I no longer see this in Options - only in: about:config . . . keyword "footer" . . . there, I would have to change it for 5 different ways of printing (to printers or to PDF)

I need to get rid of printing the URL in the footer - many times, it's too long, and I don't need it.

Where did the Page Setup option go?

I see in the current Print Options, you have to go to - More Settings / Margin / Custom - to see those. Why would they put this so many levels down?

It used to be: File / Page Setup / Margins & Header/Footer . . . "Customize" Headers & Footers:

Option 1 (left) . . . there are two leading spaces:

 > > &T
 > > &U . . . &D . . . &PT

Option 2 (left) . . . get rid of the ">"s, and just have the two leading spaces:

 &T
 &U . . . &D . . . &PT

sludge7051-x 於 1 年前 詢問

jscher2000 - Support Volunteer 於 1 年前 解答

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homescreen is suddenly giant and I have to reduce magnification to 50% to get it back to normal

I think I may have accidently pressed a button and made the homescreen giant even though it shows as being at 100%. Does anyone know of a way to return to to normal? … (閱讀更多)

I think I may have accidently pressed a button and made the homescreen giant even though it shows as being at 100%. Does anyone know of a way to return to to normal?

caen2112 於 1 週前 詢問

Paul 於 1 週前 解答

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‘Firefox updated and everything is very large by half again, went full screen was not setup for this,web pages show up very large only read 25 to 33% of a page can not control FF anymore’

‘Firefox updated and everything is very large by half again, went full screen was not setup for this,web pages show up very large only read 25 to 33% of a page can not co… (閱讀更多)

‘Firefox updated and everything is very large by half again, went full screen was not setup for this,web pages show up very large only read 25 to 33% of a page can not control FF anymore’ I am disabled vision and physical ; now almost impossible to use FireFox

OaksLSF 於 1 週前 詢問

OaksLSF 於 1 週前 解答

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Icons Doubled in Size

When I installed version 103 on Windows 10 yesterday, the Tabs, address panel row of icons and the onscreen bookmarks icons doubled in size pushing about half of them off… (閱讀更多)

When I installed version 103 on Windows 10 yesterday, the Tabs, address panel row of icons and the onscreen bookmarks icons doubled in size pushing about half of them off screen. Can I get them back to the size the were?

I keep them on screen to facilitate use and work more effectively. Pushing them off screen reduces the effectiveness of Firefox for me. I spent too much time today trying to find options that would allow me to revert to the former format without uninstalling v.103 - without success.

HELP!!!!

rabbit 於 1 週前 詢問

rabbit 於 1 週前 解答