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How to hide default screen size in Firefox?

How can i hide my display/screen resolution from websites? I use Firefox in windowed mode not with my default screen size but websites know my default resolution. This ca… (閱讀更多)

How can i hide my display/screen resolution from websites? I use Firefox in windowed mode not with my default screen size but websites know my default resolution. This can be used to identify my pc. I dont want that for privacy reasons like tracking and adverstising. How can i prevent this? I found many threads/posts about this in various forums/websites. They are talking about Tor Browser and that websites can identify you if using full-screen mode. But as i said, im using Firefox not Tor and while im using windowed-mode websites still know my default resoltion. I tested this on https://whoer.net/

Another question, how can i restore the default window size in Firefox?

Firefox_Beginner 於 2 週前 詢問

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Using touch monitor causes full screen YouTube to go gray and unresponsive

If I use my touch monitor when a video player is full screen, the full screen Firefox window turns grey and becomes unresponsive to mouse and touch input. I can exit full… (閱讀更多)

If I use my touch monitor when a video player is full screen, the full screen Firefox window turns grey and becomes unresponsive to mouse and touch input. I can exit full screen with Esc or F but the problem persists in full screen mode until I restart Firefox. Picture attached is my monitor when Firefox is in full screen mode.

jaakko.pohjalainen 於 1 年前 詢問

jaakko.pohjalainen 於 6 個月前 解答

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update 83 quit bug on Ubuntu and Win 10

Noticed on the latest release of Firefox after I press quit(I have multiple windows) the process will not fully close; I've confirmed this on both Windows and Ubuntu vers… (閱讀更多)

Noticed on the latest release of Firefox after I press quit(I have multiple windows) the process will not fully close; I've confirmed this on both Windows and Ubuntu versions. It seems to happen when I have videos playing while closing as they will continue to play in the background.

Only way to fully close the app is to stop the running background process; the videos cannot be stopped as they are CCTV streams.

I'm not familiar with logging with FF if someone can advise on which ones would be of interest I can provide them.

sandysareon 於 1 年前 詢問

sandysareon 於 12 個月前 解答

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I have updated my O/S from Ubuntu 18.04 to 20.10. Nothing else. Now Firefox is nearly useless

This is basically a copy of what I put in the Ubuntu forum. The problem is the same, no matter where I post it. Originally I was using Ubuntu 18.04 LTS. I thought it woul… (閱讀更多)

This is basically a copy of what I put in the Ubuntu forum. The problem is the same, no matter where I post it.

Originally I was using Ubuntu 18.04 LTS.

I thought it would be good to update to GG (20.10) though I did briefly try FF (20.04).

As the install was done on an existing 18.04 version things remained the same for programs, book marks, etc.

Ok, now the crunch: I USE Firefox ""A LOT"". When it loads, there are...... 8 x 6 windows of FireFox and each of those have anywhere from one to ""THIRTY"" tabs loading.

Believe me: ""It worked!!""

I could use it, also run other tasks as well - though a VM was pushing it with the RAM. But the entire machine worked.

Now, I am lucky if FireFox loads at all. Let alone let me browse.

When it loads some of the window's tops are flashing. A screen shot does not really show this. (I tried)

All that has changed is the O/S from 18.04 and Firefox from (what ever it was) to 83.0

I don't want this to be a finger pointing exercise between Mozilla and Ubuntu. I would prefer it is helpful to all.

What have I tried? I've tried starting FireFox with all addons disabled. Still happens.

I am going to try to remember to (next time) launch FireFox from a Terminal and pipe the output to a file to look for things.

The machine I am using has shown it is well up to being able to have this running. I have had it working for a few years like this.

This post is (for now) to establish there is a problem. I will post more information when I get it, rather than waiting to get it then post, as I feel there are a lot of people who have very similar problems and I want it known: ""You are not alone!""


Now a bit of extra stuff.

Other things which are weird: When I am watching stuff - youtube for example - the playback is/WAS jerky. I hadn't touched anything in the settings.

After digging around, I discovered that I had to turn ""OFF"" the hardware acceleration for the graphics. Question: How did it get turned on? (Semi rhetorical)

I have a lot of local pages I open with passwords. When I load them the CPU load goes through the roof and nearly invariably the program just exits. No crash report.

Which is a good 50% of how it happens. The other 50% is the machine just locks up and I have to power it down.

teeny_weeny 於 12 個月前 詢問

Seburo 最近回覆 於 12 個月前

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Picture drag and drop no longer works

Firefox version - 82.0.03 64bits I applied the -no-deelevate fix when I last upgraded and that worked ok Yesterday I ran Windows update - always a bad idea I know - and … (閱讀更多)

Firefox version - 82.0.03 64bits

I applied the -no-deelevate fix when I last upgraded and that worked ok Yesterday I ran Windows update - always a bad idea I know - and fixed the problems that caused, but now Firefox will no longer allow picture drag and drop. This IS a firefox issue because Chrome still works ok without any elevation command.

I have also done this: browser.launcherProcess - turn off, then turn back on

Any ideas please ?

tony165 於 12 個月前 詢問

tony165 於 12 個月前 解答

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Error Trying to Reach Informational Website (PHP version not supported)

Hi. I am trying to reach a site that I have in the past found a good reference site (if you like reptiles), Ian's Vivarium. I am in up-to-date Firefox for Win10, I have… (閱讀更多)

Hi. I am trying to reach a site that I have in the past found a good reference site (if you like reptiles), Ian's Vivarium. I am in up-to-date Firefox for Win10, I have refreshed Firefox to no effect. Error message on the website is: "You are running an unsupported PHP version. Please upgrade to PHP 7.1.3 or higher before trying to install or update to phpBB 3.3" at the top of a wholly blank page.

I get the same error when attempting Chrome and Edge (which crawled back onto my PC uninvited)... maybe a website issue?

Help?

While not totally computer illiterate, I'm pretty close....

Thanks in advance?

ryoverde 於 11 個月前 詢問

FredMcD 於 11 個月前 解答

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Unable to open websites.

i am unable to download full web pages such as login pages to web sites. for example, I can download the home screen for online banking but the screen comes up completely… (閱讀更多)

i am unable to download full web pages such as login pages to web sites. for example, I can download the home screen for online banking but the screen comes up completely blank or missing the usename/password boxes. This condition occured without any changes on my part. The same websites still operate normally on other computers at home. Most website downloads just end up with a blank page and the mouse pointer circling around forever. This is a relatively new PC with no other issues till now.

aglas101 於 11 個月前 詢問

Scribe 於 11 個月前 解答

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Firefox closes and reopens constantly without any error messages

Hello! I need help on a very strange problem I had recently with my Firefox. I have Firefox 83.0 64-bit installed on my Windows 7 Home Basic desktop PC. Some time after m… (閱讀更多)

Hello! I need help on a very strange problem I had recently with my Firefox. I have Firefox 83.0 64-bit installed on my Windows 7 Home Basic desktop PC. Some time after maybe version 81 and above, I noticed that my Firefox randomly closes and reopens without showing any error messages. I noticed that the most consistent time this phenomenon happens is when I turn on my PC and start Firefox, it almost always closes and reopens, sometimes even more than once. It acts like the browser crashed, but the weird thing is it doesn't show any error message saying that the browser crashed. Once I opened Firefox at least once after I turn on my PC, even if I manually closed it and reopen it later, it will not crash on Firefox startup, it will probably only crash again after I restarted my PC and open Firefox. Also rarely, Firefox randomly closes and reopens whenever I browser whatever website with no reason whatsoever, but this only happens 3 out of 10 times.

I opened Troubleshooting Information to look for clues on what might be causing this, and I noticed "Launcher Process" is "Disabled due to failure". I am not sure what that means though, but I have a feeling this might be related somehow?

If anyone has any idea on what's going on, please help me. Thanks!

mario62746 於 11 個月前 詢問

mario62746 於 10 個月前 解答

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opening firefox..............

just so slow last 2 day , dont matter if going straight to email or home page or any other site---just slow john no problem if i use microsoft edge … (閱讀更多)

just so slow last 2 day , dont matter if going straight to email or home page or any other site---just slow

john


no problem if i use microsoft edge

revere31 於 11 個月前 詢問

FredMcD 於 11 個月前 解答

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Telstra Webmail has stopped working in Firefox

I am using Windows 10 and up until last week have never had any problem with Firefox. Now when I log into my Telstra account, I can see all the services available except … (閱讀更多)

I am using Windows 10 and up until last week have never had any problem with Firefox. Now when I log into my Telstra account, I can see all the services available except Telstra Webmail. When I select Webmail I just receive 3 flashing square dots but the page will not load. I am able the access my Telstra Webmail from Internet Explorer but not Firefox. Telstra has suggested that I use Google Chrome instead of Firefox but I would prefer to use Firefox so hopefully someone can help me with this issue.

Philip47 於 11 個月前 詢問

Philip47 於 11 個月前 解答

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Firefox 85 has stopped playing video

Using Firefox 85.0b2 (64 bit) Windows 10. Both Firefox and Windows 10 updated themselves in past couple of days. Previously Firefox played videos on YouTube. Now it does … (閱讀更多)

Using Firefox 85.0b2 (64 bit) Windows 10. Both Firefox and Windows 10 updated themselves in past couple of days.

Previously Firefox played videos on YouTube. Now it does not. (still image appears, and spinning circle but nothing further; and then YouTube suggests try restarting my device).

Videos still play OK in MS Edge.

I have tried all advice I can find, including clearing Cache, clearing cookies, and resetting Firefox. Starting Firefox in Safe mode. Restarting Windows and Firefox multiple times. Nothing has made any difference.

Can anyone suggest anything else to try??

chris328 於 11 個月前 詢問

philipp 於 11 個月前 解答

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I am having troubles using the web site "The Daily Wire" on this laptop running Windows 10, but only when using the Firefox browser.

I am having troubles using the web site "The Daily Wire" on this laptop running Windows 10. The site will either not open at all, or if it opens, the articles on the site… (閱讀更多)

I am having troubles using the web site "The Daily Wire" on this laptop running Windows 10. The site will either not open at all, or if it opens, the articles on the site won't open when clicked on. I have uninstalled and refreshed Firefox, same problem. The site works fine on my desktop PC when using Firefox, and on this laptop when running all other browsers. Any ideas?

don_brink 於 11 個月前 詢問

FredMcD 於 11 個月前 解答

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Outlook messages not visible when opened ; Uncaught (in promise) Error: GetTimeZone failed: No Reason Phrase

Hi, I am using Firefox v84.0.1 to read mails in Outlook online OWA. When I try to open a message, an error messag is shown in the window: the e-mail message can not … (閱讀更多)

Hi,

I am using Firefox v84.0.1 to read mails in Outlook online OWA. When I try to open a message, an error messag is shown in the window:

     the e-mail message can not be displayed, check your internet connection.

In the console I see messages like: Uncaught (in promise) Error: GetTimeZone failed: No Reason Phrase

Olilaf 於 11 個月前 詢問

Olilaf 於 11 個月前 解答