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Firefox update deleted some folders

Firefox's recent update deleted some of my folders. I have gone through all the profile help entries available. I only have one profile listed: the one after the update. … (Lesen Sie mehr)

Firefox's recent update deleted some of my folders. I have gone through all the profile help entries available. I only have one profile listed: the one after the update. How do I find a different profile that is supposed to be saved that I can go back to installing. I am so upset.

Gefragt von Maureen Jordan vor 1 Tag

Beantwortet von FredMcD vor 15 Stunden

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Firefox won't launch

Hi, my firefox doesn't seem to want to launch from the start menu for some reason (when I click it the start menu closes but Firefox does not open and isn't running in th… (Lesen Sie mehr)

Hi, my firefox doesn't seem to want to launch from the start menu for some reason (when I click it the start menu closes but Firefox does not open and isn't running in the background), however the shortcut that is created on the desktop seems to launch firefox perfectly well. However, when I do open firefox, it has a blank default icon as if its a random program. Could someone help me? This issue is getting quite annoying and tedious and I've had to switch to edge for a while now. I've been using Firefox about a year now and this hasn't happened before.

Steps I've taken:

  • Uninstalled and reinstalled firefox, deleted profile data too
  • Restarted PC

Here is a screenshot of what my icon in the taskbar looks like: https://i.imgur.com/d8uAq8a.png

Gefragt von thepolite12345 vor 22 Stunden

Beantwortet von FredMcD vor 15 Stunden

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Unable to connect to my webmail, but works with Safari

Dear all, When trying to connect to https://webmail.chu-rennes.fr/ using Firefox 81.0 under OS Catalina 10.15.5 I receive the following message: 'The requested URL was re… (Lesen Sie mehr)

Dear all,

When trying to connect to https://webmail.chu-rennes.fr/ using Firefox 81.0 under OS Catalina 10.15.5 I receive the following message:

'The requested URL was rejected. Please consult with your administrator.

Your support ID is: 6577542328905707819'

I do not have the problem by moving to Safari, though.

Any insight from anyone?

Thanks a lot in advance

Best

Pierre-Yves

Gefragt von pierreyves.jonin vor 6 Stunden

Beantwortet von FredMcD vor 4 Stunden

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Images not showing up in Canvas after last Firefox update.

I am a university professor. All of my classes use Canvas software. After last week's Firefox update, none of the embedded figures on my course pages appear - only thei… (Lesen Sie mehr)

I am a university professor. All of my classes use Canvas software. After last week's Firefox update, none of the embedded figures on my course pages appear - only their file name. They are showing up just fine in Chrome, so I know that the problem is somehow connected to Firefox. They also disappeared immediately after the last update.

My students and I need to be able to see the images...and I don't want to uses Chrome. I would like to know how to either return Firefox to its previous version or have the new version somehow corrected so that it gets along with Canvas.

Thank you.

Gefragt von benrjordan vor 18 Stunden

Beantwortet von jscher2000 vor 16 Stunden

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Change pdf viewer background color (both sides of the pdf) to dark

Hey there, awesomes! I'd like to change my Firefox pdf viewer's background color (both sides of the pdf) to dark, currently it shows light gray (see `background_bg.png`)… (Lesen Sie mehr)

Hey there, awesomes! I'd like to change my Firefox pdf viewer's background color (both sides of the pdf) to dark, currently it shows light gray (see `background_bg.png`). And here is effect I want it to look like (see screenshot from Chrome `wished_bg.png`). Thanks in advance (:

PS: I don't want to change my theme to dark. It seems I have to change my css, but I dunno which & how.

Gefragt von Mark Taylor vor 6 Tagen

Beantwortet von jscher2000 vor 5 Tagen

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Http Requests timeout in version 81

I have a website which makes ajax requests to some endpoints which can take more than a minute (depending on how busy the server might be). In the recent version of firef… (Lesen Sie mehr)

I have a website which makes ajax requests to some endpoints which can take more than a minute (depending on how busy the server might be). In the recent version of firefox (81), it seems like after about a minute, the request appears to time out without an error message. I checked against other browsers and none seem to have the same issue.

Was this behavior expected out of version 81? I don't see anything in the release notes about this kind of change.

Gefragt von lf_kb vor 18 Stunden

Beantwortet von lf_kb vor 5 Stunden

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Cannot update self-hosted add-on due to "Certificate issuer is not built-in" error

I have a custom add-on that I'm working on for my team. It's hosted internally on a server signed by our company's internal CA. The add-on is signed by Mozilla, but not h… (Lesen Sie mehr)

I have a custom add-on that I'm working on for my team. It's hosted internally on a server signed by our company's internal CA. The add-on is signed by Mozilla, but not hosted on AMO.

I am on the latest version of Fedora running Firefox 81.0. In the browser console I get this error relating to the URL for the addon when I tell Firefox to check for updates: "Certificate issuer is not built-in".

I have the company CA installed and when I navigate to the site in the browser, Firefox recognizes the cert. I've done some reading on the subject and seen several threads about it. I've tried a few things already, but most of the threads where a couple of years old.

I'm asking the question here hoping to figure out what the current state of the problem is and which settings I should tweak to have it trust the company CA or what my options are.

Thank you in advance for any support on the issue.

Gefragt von bplaxco vor 4 Tagen

Beantwortet von bplaxco vor 6 Stunden

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userChrome.css to disable blue highlight marker on active tab

I am using tab-on-bottom code in userChrome.css that I got from the web. 1. There is a highlight feature of the tabs. A mouse-over will do a subtle enhancement of the top… (Lesen Sie mehr)

I am using tab-on-bottom code in userChrome.css that I got from the web.

1. There is a highlight feature of the tabs. A mouse-over will do a subtle enhancement of the top portion of the line delineating of the tab. 2. The active tab has a blue bar at the top portion of the line delineating the tab.

I want both to go away. I have code to highlight the background color of the active tab and need no other highlight function.

The userChrome.css is below.

Thanks, Gert

/* TABS: bottom - Firefox 65 and newer; should for now work with XUL @namespace */


  1. TabsToolbar {
 -moz-box-ordinal-group: 1000 !important;
 display: block !important;
 position: absolute !important;
 bottom: 0 !important;
 width: 100vw !important;

}

  1. tabbrowser-tabs {
 width: 100vw !important;

}

  • |*:root:not([chromehidden*="toolbar"]) #navigator-toolbox {
 padding-bottom: calc(var(--tab-min-height) + 1px) !important; /*adjust*/

}

/* position Tab bar with Menu bar and Title bar hidden for Firefox 65-73 - omit in Firefox Nightly */

  • |*:root[tabsintitlebar]:not([inFullscreen="true"]):not([sizemode="maximized"])
  1. toolbar-menubar[autohide="true"] ~ #xTabsToolbar{
 bottom: var(--tab-min-height) !important;
 padding-top: calc(var(--tab-min-height) - 0px) !important; /*adjust*/

}

/* TABS: height */

  • |*:root {
 --tab-toolbar-navbar-overlap: 0px !important;
 --tab-min-height: 30px !important; /*adjust to set height or omit to use density*/
 --tab-min-width:  80px !important; /*adjust to set width or omit to use default*/

}

  1. TabsToolbar {
 height: var(--tab-min-height) !important;
 margin-bottom: -0px !important; /*adjust*/
 background-color: #F5F6F7 !important;

}


/* caption buttons - hide */

  • |*:root[tabsintitlebar]:not([inFullscreen="true"])
#toolbar-menubar[autohide="true"] ~ #TabsToolbar
.titlebar-buttonbox-container {display: none !important;}

/* Change Color of active tab */ .tab-background[selected="true"] {

   background-color: #A8FFAD !important;
   background-image: none !important;

}

/* Rounded corners on tabs firefox 58 */ /* http://forums.mozillazine.org/viewtopic.php?f=38&t=3037688# */ .tabbrowser-tab::after, .tabbrowser-tab::before {

  border-left: none !important;

} .tab-background {

 border-radius: 6px 6px 6px 6px !important;
 border-image: none !important;
 border-left: 1px solid !important;
 border-right: 1px solid !important;
 border-top: 1px solid !important;
 border-width: 1px !important;
 border-color: #000080 !important;
 background-attachment: none!important;
 background-color: #DAD7D0 !important;
 background-image: none !important;

}

/* Menu bar (File Edit View) height and background color */

  1. toolbar-menubar, #menubar-items, #main-menubar {
 height: 30px !important;
 background-color: #DAD7D0 !important;
 background-image: none !important;
 font-size: 14px !important;

}

/* Menu bar (File Edit View) text color */ .menubar-text, .tabbrowser-tab:not([selected="true"]) tab-label {

 color: #080808 !important;

}

/* Use Normal top and bottom padding for Compact */

  1. PlacesToolbarItems .bookmark-item {
 padding-top: 10px !important;
 padding-bottom: 6px !important;

}

Gefragt von drgert1 vor 17 Stunden

Beantwortet von jscher2000 vor 16 Stunden

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Keyword bookmark with special chars removed in Firefox81? How to Make it work again?

I always used keyword bookmark, but in Firefox 81+ if my query parameter (%s) contains special chars (like ?) it doesn't work anymore. What have changed? How can I make i… (Lesen Sie mehr)

I always used keyword bookmark, but in Firefox 81+ if my query parameter (%s) contains special chars (like ?) it doesn't work anymore.

What have changed? How can I make it work again?

Gefragt von Ricardo Martins vor 1 Tag

Beantwortet von jscher2000 vor 1 Tag

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Turn off the control media playback via harware media keys

Can I turn off the "control media playback via hardware media keys on a keyboard or headset or virtual media control interface" function? (Firefox 81.0, Windows 10) … (Lesen Sie mehr)

Can I turn off the "control media playback via hardware media keys on a keyboard or headset or virtual media control interface" function? (Firefox 81.0, Windows 10)

Gefragt von Hey Google vor 1 Monat

Beantwortet von TyDraniu vor 1 Monat

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PDF reader theme in FF 81

With FF 81, I see the PDF reader has switched to a light theme, and I don't see a way to switch back to dark theme, the way it was before. How do I do it? Thanks. … (Lesen Sie mehr)

With FF 81, I see the PDF reader has switched to a light theme, and I don't see a way to switch back to dark theme, the way it was before. How do I do it?

Thanks.

Gefragt von Jeenu vor 6 Tagen

Beantwortet von jscher2000 vor 6 Tagen

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Secondary user profile in Firefox forgets my website logins after each restart!

I'm using a "feature" in Firefox that allows me to select my Firefox profile on startup (by adding -ProfileManager to the target value). This way I can choose between my … (Lesen Sie mehr)

I'm using a "feature" in Firefox that allows me to select my Firefox profile on startup (by adding -ProfileManager to the target value). This way I can choose between my "home" aka "default-release" and "work" profiles.

Now my issue is that every time I open my work (non-default) profile, I have to login to services like Gmail all over again! Firefox won't save my login information for the work profile similar to the default-release profile. I have back-up and sync set-up on both profiles. So why does this happen?

Gefragt von Alex vor 1 Tag

Beantwortet von cor-el vor 1 Tag

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Bookmarks

I uninstalled Firefox and then re-installed Firefox. I did this because I added an extension and did not think it was working properly. Then when I went to delete it coul… (Lesen Sie mehr)

I uninstalled Firefox and then re-installed Firefox. I did this because I added an extension and did not think it was working properly. Then when I went to delete it could not find it so I uninstalled and got latest Firefox. Now, I cannot find my bookmarks. Please tell me the uninstall DID NOT REMOVE my bookmarks of several years!!! In the past when uninstalling, there was a check box asking do you want all bookmarks etc removed... Don't tell me that my bookmarks are gone...

Gefragt von williawh vor 1 Tag

Beantwortet von williawh vor 1 Tag

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How to auto download 20 tabs on startup?

When I start Firefox only the focused page is loaded. All other pages are blank as I set 'Clear history when Firefox closes' to 'automatically clear' the cache on exit. … (Lesen Sie mehr)

When I start Firefox only the focused page is loaded. All other pages are blank as I set 'Clear history when Firefox closes' to 'automatically clear' the cache on exit. If I click on another tab it refreshs it. How do I to get every page to load on startup? Firefox treats pinned and normal tabs differently. On restart I have to 'Select all Tabs', then 'Reload page' every time. It used to load all pages automatically but now it doesn't. | Is there an extension? Or an About:Config entry I can change or insert? Private browsing is not used. Pages are open in tabs not windows. I have 20+ tabs open all the time. About half are pinned. Side Note - I would be happy to see the "Reload All Tabs" menu option reinstated.

Gefragt von Colin vor 1 Monat

Beantwortet von cor-el vor 1 Monat

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I can’t login to the Ebay site. Firefox 80.0.

Hello! I immediately apologize for any possible mistakes or incorrectly composed sentences - I am writing this message through a translator. I hope that I can convey my t… (Lesen Sie mehr)

Hello! I immediately apologize for any possible mistakes or incorrectly composed sentences - I am writing this message through a translator. I hope that I can convey my thoughts, please treat with understanding. I just started using Firefox, after Chrome and Edge it is like a breath of fresh air, everything works great, except for the Ebay website. The site itself is working, but I can't log in there. The page is loaded after entering data with the message "Access To Website Blocked". In support, I found a similar problem, they advised to disable tracking protection, but this doesn't help. I also cleared all browser data, history, cookies, cache. Launched the browser in safe mode. It doesn't help either. I thought that the Adguard program was to blame for this - I turned it off. And it didn't work either. Moreover, I can access the site without any problems through Google Chrome and Microsoft Edge. Even through the mobile version of Firefox, you can log in without problems, but on a PC there is no. I made such banal methods as rebooting and checking for system and driver updates. The PC rebooted, Windows 10 was updated to the latest version (Home, 64 bit, version 2004, KB4566782, OS build 19041.450), the drivers were all updated too. Firefox on this computer has not been used before, i.e. the reason is definitely not in the hardware and hardly in the software. Only one site Ebay doesn't work. Everything else works flawlessly. Please, help fix this problem. Or at least help send Mozilla report somehow.

Gefragt von Виктор vor 1 Monat

Beantwortet von Виктор vor 1 Monat

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Firefox Monitor - unable to find button to add new email addresses

I've been an avid user of Firefox Monitor for the past few months, but recently over the last few days when I go to https://monitor.firefox.com/user/dashboard and log in,… (Lesen Sie mehr)

I've been an avid user of Firefox Monitor for the past few months, but recently over the last few days when I go to https://monitor.firefox.com/user/dashboard and log in, I've been struggling to find the button that allows me to add new email addresses. I've searched the support article for Monitor for this information, but to no avail: https://support.mozilla.org/en-US/kb/firefox-monitor. So I was wondering if you could point me in the right direction?

Gefragt von Jonathan vor 1 Woche

Beantwortet von Wesley Branton vor 1 Woche