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Userchrome.css not recognised

I used to run Firefox 88.0.1 (64 bit) on a Windows 7 PC. With lots of help from this forum I wrote a userchrome.css file to make several changes to the appearance. On a … (read more)

I used to run Firefox 88.0.1 (64 bit) on a Windows 7 PC. With lots of help from this forum I wrote a userchrome.css file to make several changes to the appearance.

On a new Windows 10 machine I installed the same version of Firefox (since I don't care for the latest one). I added my old profle to the new installation and selected it as the default.

Unfortunately, when I opened the program I was prompted to create a new profile; there didn't seem to be any way around this. So I let it happen and tried simply copying my old chrome folder into it - I thought at least I could make the visual changes even if I couldn't import my bookmarks and so on.

But this didn't work either: when I run the program, none of the expected changes are there.

Presumably I've done something wrong, but what, exactly? I'd be grateful for any thoughts. Ideally, I'd like to use the whole of the old Win7 profile but if that's not possible at least changing the appearance would be pleasant.

Many thanks.

Asked by mail226 11 hours ago

Answered by mail226 8 hours ago

Multiple Problems with Audible.com audiobooks

I purchase audiobooks on Audible.com using my Mac (OS Catalina). When I download a purchase Firefox sends it as an MP4 file which is incompatible with the apps to play th… (read more)

I purchase audiobooks on Audible.com using my Mac (OS Catalina). When I download a purchase Firefox sends it as an MP4 file which is incompatible with the apps to play the audiobook. Safari and other browsers do no do this - the files come as an .aax file. Even after I have an .aax file I cannot play it using Firefox because Audible.com does not recognize my registered computer. I get an error message: Document "LicenseForCustomerToken" couldn't be opened. Incompatable with QuickTime Player. FYI: QuickTime Player is a video (MP4) player app on my computer. So, once again, Firefox makes the .aax file appear like an MP4 file to Audible. It's doing some kind of unrequested and unwanted conversion of .aax files to MP4.

I hope you can fix this in your next update. i've worked with Audible to solve this issue, but they cannot help and are telling me it is a "known issue" with Firefox and recommend I use a different browser.

Asked by Kim 6 hours ago

Unable to update Firefox via powershell with mar files

I am attempting to automate firefox updates and I am attempting to follow the guide listed below: https://wiki.mozilla.org/Software_Update:Manually_Installing_a_MAR_file … (read more)

I am attempting to automate firefox updates and I am attempting to follow the guide listed below: https://wiki.mozilla.org/Software_Update:Manually_Installing_a_MAR_file When I follow those steps the update.status file simply says "failed: 75". Does anybody know the meaning of this error code? Is there a resource out there that I could find which lists the meanings of other error codes? Or am I going about this the wrong way entirely, and there is some better solution for automating firefox updates? Any help is appreciated.

Asked by TheLomster 14 hours ago

Firefox Updates & Merging Info.

Every time there is a Firefox Update, I end up going back to the previous shortcut on my desktop to find my bookmarks, passwords, etc. Please advise, as I delay doing upd… (read more)

Every time there is a Firefox Update, I end up going back to the previous shortcut on my desktop to find my bookmarks, passwords, etc. Please advise, as I delay doing updates for this reason. Very frustrated!

Asked by pamsfeed 23 hours ago

Last reply by FredMcD 19 hours ago

File type changes by Firefox

When dowloading an AAX type file from Audible, Firefox changes it to MP4 (downloads as AAX with other browsers). Note, changing the file type after the download fixes t… (read more)

When dowloading an AAX type file from Audible, Firefox changes it to MP4 (downloads as AAX with other browsers).

Note, changing the file type after the download fixes the problem. But, is there a way to prevent it from happening in the first place? Also, why changing file type in the first place?

Asked by nissankoren 4 days ago

Last reply by cor-el 2 days ago

Firefox 93.0 Changing Audible download extension from .AAX to .MP4

Today using Firefox 93.0 on my Windows 10 home computer I opened the browser to my Audible library on Audible.com and selected a book to download. The browser download wi… (read more)

Today using Firefox 93.0 on my Windows 10 home computer I opened the browser to my Audible library on Audible.com and selected a book to download. The browser download window opened with the book file name but the extension wasn't .AAX but had been changed to .MP4. This did not happen when I used Microsoft Edge nor did this happen on my Windows 10 laptop which was still running Firefox 92.0. Once Firefox upgraded to 93.0 on my laptop I now get the same problem as I get on my home computer.

Audible technical support looked into the problem and found that this change wasn't caused by their servers.

I have discovered that if I change the file extension from MP4 to AAX I can load the audible book into iTunes and sync it over to my iPhone which is able to play the file as an audible book. This indicates to me that the actual AAX file was not converted to MP4. For some reason only the file extension was changed.

I wasn't able to find any setting in the Firefox browser that corrected this problem.

Asked by steven_neal 1 week ago

Last reply by sharihk 2 days ago

Applications shortcut

Hi, I have a Librem Mini running PureOS based on Linux Debian. I downloaded the binary package of Firefox from the Firefox download page, but may not have installed it pr… (read more)

Hi, I have a Librem Mini running PureOS based on Linux Debian. I downloaded the binary package of Firefox from the Firefox download page, but may not have installed it properly. I can only run the browser by going to Files, Home, double click the Firefox folder and double clicking the file Firefox. Works perfect, but would like to have the shortcut in my Applications window like all of my other apps. Can anyone help? Thanks, Chris

Asked by mrbimmer 2 days ago

Virus in downloaded Installation program

Mozilla Installer Down Load Has a Virus!!!!!!! Luckily my AVG Caught it! Down Loaded Update and had to "Revert to an earlier time" to remove updates. Was instructed afte… (read more)

Mozilla Installer Down Load Has a Virus!!!!!!! Luckily my AVG Caught it! Down Loaded Update and had to "Revert to an earlier time" to remove updates. Was instructed after GO BACK to Install complete new version, but Installer has virus (on Open) Use This for my Bank Account From Chase, but Chase WON'T let me use older version of your Browser. Running Win 7

H E L P !!!!!!

Lanna

Asked by lannababe126 4 days ago

Last reply by cor-el 4 days ago

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Firefox cannot find VC Runtime140_1.dll

Firefox install fails because it cannot find VC Runtime140_1.dll I downloaded the dll but Firefox can't find it. Where should I put this .dll? The bulk of the program … (read more)

Firefox install fails because it cannot find VC Runtime140_1.dll I downloaded the dll but Firefox can't find it. Where should I put this .dll? The bulk of the program installs but it can't search on line.

This is a new Win 10 machine. I've updated and ran DISM.exe /Online /Cleanup-image /Restorehealth then uninstalled Firefox, put the VCRuntime file in the Win Sys 32 drivers folder, restarted and reloaded Firefox. Still no love.

I'm at the end of the road...what next?

Asked by morgenthaler 4 days ago

Answered by TyDraniu 4 days ago

no trace of logins.json on update

Have update from 89.0.2 to 93.0 today, and like many others it seems been caught out by the assurance that passwords & logons would automatically be transferred. I've… (read more)

Have update from 89.0.2 to 93.0 today, and like many others it seems been caught out by the assurance that passwords & logons would automatically be transferred. I've found the advice about copying key4.db & logins.json from the Old Firefox data folder that has appeared on my desktop. The problem is I can see key4.db but there is no trace of logins.json. I have show hidden files enabled. Have tried searching the folder and still got no trace. NB there was also no logins.json in new profile folder until I created an account for this support posting, although I realise it may not create until a log on is saved.

The issue is the missing passwords are computer generated and only saved in my firefox browser, and there were definitely some saved with usernames etc.

I noticed a comment that logons.json is a text document. I only have 4 of those - AlternateServices, pkcs11, SecurityPreloadState & SiteSecurityService State. I assume none of these could be logins under a different name?

Asked by krffji 4 days ago

Firefox browser doesn't open in Win7 64bit

Hello everyone I re-install my win7 recently. I can get the firefox browser installed whitout any errors but it doesn't open. However I can see it's open in task manager… (read more)

Hello everyone I re-install my win7 recently. I can get the firefox browser installed whitout any errors but it doesn't open. However I can see it's open in task manager in processes tab. what would be the problem? please advise

Asked by Sal 1 week ago

Last reply by FredMcD 5 days ago

Can't rollback from Firefox 91 to 89.

Win10 with what was Firefox 89. I had already disabled the Proton UI on this installation, because it is horrible. Today Firefox decided to update to version 91. All of t… (read more)

Win10 with what was Firefox 89. I had already disabled the Proton UI on this installation, because it is horrible. Today Firefox decided to update to version 91. All of the Proton UI junk is back. I tried disabling it again, but nothing worked. Doing a web search, it appears that Mozilla has disabled the ability to turn off Proton.

I then set about to rollback the installation back to version 89. I found a Mozilla link on this, went to their ftp server and downloaded the installation files for the last version of 89. The installation went normally, but when I opened Firefox afterwards, a little box popped up saying something to the effect of "To keep your History and Bookmarks from possibly being corrupted, Firefox must create new user profile." I exited out of this and Firefox didn't start. I attempted to restart Firefox again and the same box popped up again. The only way to get past it was to click the accept button.

I did so and Firefox started. This was clearly not version 89. As the UI is junk, it took several minutes to find out that this was now the latest version of 92!!!! I'm absolutely positive that I downloaded the correct file. When I look through the update history, it doesn't even show todays version 89 installation as happening. What a piece of junk.

I then spent 20 minutes figuring out how to revert back to my user profile, not the new one that it had created for me. I then did some research on what had happened. Well it turns out that you can't actually rollback Firefox, despite what Mozilla says. For a while they have added "downgrade protection" which automatically creates the new user profile and stops your old profile from being accessed by it. So unless you want to figure out how to spend a hundred hours reconstructing bookmarks, passwords, settings, etc. it actually isn't possible to rollback Firefox. Doesn't this violate some Microsoft rules about being able to uninstall versions of software from within Windows? If you try to do this with Firefox and go back to a previous version it blows everything up.

Does anyone know how to actually rollback Firefox to a previous version, so that Proton can be disabled?

Asked by jack.hidley 1 month ago

Last reply by cor-el 5 days ago