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'No video with supported format and MIME type found' 2023

This issue has plagued me ever since I switched for Firefox. I have NEVER encountered this issue with any other browser. Once every week or two I will encounter a page wi… (read more)

This issue has plagued me ever since I switched for Firefox. I have NEVER encountered this issue with any other browser. Once every week or two I will encounter a page with an MP3/MP4 file and will be presented with this error. I have already tried clearing cache, disabling addons, reloading, etc, but I guarantee the "best answer" will just be some rehashing of these steps. Something is fundamentally broken with this browser, and there are hundreds of people across various sites reporting it. Fix it.

Asked by samg381 2 months ago

Last reply by zeroknight 2 months ago

My firefox keeps resizing itself to be full height

I like to keep my browser windows slightly smaller than my desktop. I usually leave about a half inch or so free on each side. This way, I still have easy access to any d… (read more)

I like to keep my browser windows slightly smaller than my desktop. I usually leave about a half inch or so free on each side. This way, I still have easy access to any desktop shortcut that is alone the top/bottom, or left right of the screen, without having to minimize my browser windows completely to see the entire desktop. But for some reason, for the last several Firefox versions, it will always resize its height to take up the entire height of the desktop. The width stays the same, the way I want it. But the height is always from the top of the screen all the way down to the task bar. I don't know if it happens every single time I close out of Firefox and reopen, but I know my manual resizing never lasts long. what is happening here?

Asked by accident55 4 months ago

Last reply by cor-el 4 months ago

How to sync a new firefox profile in receive-only mode?

I use a public computer that resets itself every night. I want to login to my firefox account so I can receive all my settings, extensions, etc., when I login to sync. H… (read more)

I use a public computer that resets itself every night. I want to login to my firefox account so I can receive all my settings, extensions, etc., when I login to sync.

However, when I login to sync, my default search provider remains as Google (the computer's default) and does not change to DuckDuckGo (the settings I previously had synced).

How do I set up sync so that when I login, it pulls all settings, etc., from the cloud, instead of keeping some that were configured locally?

Asked by firefox.pager865 4 months ago

Last reply by cor-el 4 months ago

userChrome.css — I've blundered!

See reddit post— no way I'm typing all that again! Reddit Post It's not that long, trust me— it's just that the code is long... I've attached a slightly different scree… (read more)

See reddit post— no way I'm typing all that again! Reddit Post It's not that long, trust me— it's just that the code is long... I've attached a slightly different screenshot to the one I posted on the reddit post, but it makes no difference if you see one or the other, or both!

In summary, I've added a css code to my userChrome.css thingy to move the tabs below the search bar. I was also wondering what the best way to transfer my userChrome.css file + about:config settings over to a new version of Firefox. Due to not being admin of my laptop (I'm running it out of the .dmg file— besides, I always like to keep an older version of Firefox as a fallback), I have to install a whole new version of Firefox onto my laptop to update.

Thanks!

Asked by ctan24 5 months ago

Last reply by cor-el 5 months ago