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Cannot launch JNLP file from Firefox (Ubuntu)

As part of my job, I need to run JNLP applications. I can run them from Dolphin (KUbuntu's file explorer) or the command line without problem. However, it would be a lo… (read more)

As part of my job, I need to run JNLP applications. I can run them from Dolphin (KUbuntu's file explorer) or the command line without problem. However, it would be a lot easier if I could launch them directly from Firefox.

However, when click on a JNLP link my application choices are either "cautious-launcher" which does nothing or another unrelated application. This results in the file being downloaded and then I have to go either in Dolphin or on the command line to the downloads directory and run my JNLP application. Lots of unnecessary steps.

Under preferences I can see that JNLP is set to use javaws, but that option never shows up.

I tried setting "browser.download.skipConfirmLaunchExecutable" to true, but that made no difference.

How do I fix this?

Asked by yourjunkhere14 4 weeks ago

Firefox printing problem

Recently I've noticed that I am unable to print from Firefox. It doesn't matter if I print to a PDF or a real printer: I get the same error every time: "Print Preview Err… (read more)

Recently I've noticed that I am unable to print from Firefox. It doesn't matter if I print to a PDF or a real printer: I get the same error every time: "Print Preview Error, An error occurred while printing." If I do attempt to print to a PDF, the result is a malformed file that throws a sharing violation if I attempt to view it before closing Firefox.

I have tried all the various reset printer config settings on the help page Mozilla printer help , and even tried reinstalling FF. Everything else is OK.

Suggestions are welcome.

Asked by drmdemmer 2 months ago

Last reply by fredex 4 weeks ago

locked out of sync account

Once again, for the fifth time, I cannot sign in to sync my account. No email was sent. Yes, again, I checked all the possible places. Its still a valid email just like t… (read more)

Once again, for the fifth time, I cannot sign in to sync my account. No email was sent. Yes, again, I checked all the possible places. Its still a valid email just like the other four times. Just like every other time, the other three machines on my network are signed in. So, once again, please unlock the account so I can synch my machine. Thanks

Asked by libelo95 4 weeks ago

update Firefox 64bit using msi

Firefox autoupdate and Firefox sync is disabled in computer. We are using Altiris patch management to update Firefox version. The source is msi file. Computer might has F… (read more)

Firefox autoupdate and Firefox sync is disabled in computer. We are using Altiris patch management to update Firefox version. The source is msi file. Computer might has Firefox in difference install locations.

Computer has Firefox 85.0.2 64bit installed to C:\Program Files (x86)\Mozilla Firefox However, Altiris patch management install Firefox 86.0 64bit to C:\Program Files\Mozilla Firefox

Now computer have 2 versions of Firefox 64bit.

parameter INSTALLDIR=path is not possible because computer might has Firefox in difference install locations.

Is it possible to update using msi replace current install directory instead of new install directory ?

Asked by sam180321 1 month ago

Last reply by user3670792 4 weeks ago

Migrate Firefox 32bit account without Firefox account sync

Firefox 32bit install to C:\Program Files (x86)\Mozilla Firefox When upgrade to 64bit using msi file, install to C:\Program Files\Mozilla Firefox. I need to switch the pr… (read more)

Firefox 32bit install to C:\Program Files (x86)\Mozilla Firefox When upgrade to 64bit using msi file, install to C:\Program Files\Mozilla Firefox. I need to switch the profile manually. New profile created because of install directory is difference.

Is there any automate feature to migrate my previous 32bit profile without switch manually after update 64bit ? Other than Firefox account sync and legacy profile enable.

Asked by sam180321 1 month ago

Customizing headers and footers for printing.

The ability to edit and customize the headers and footers for printing was one of my main reasons for switching from Chrome to Firefox. Now I can't find where to do this.… (read more)

The ability to edit and customize the headers and footers for printing was one of my main reasons for switching from Chrome to Firefox. Now I can't find where to do this. I don't know if it was a recent update or what but I am using Windows 10 Home. Please help so I don't have to find a new browser.

Asked by themills98 2 months ago

Last reply by Accounting Solutions 1 month ago

Firefox Refresh deleted Onetab

My firefox browser was running slow, kicked to firefox refresh and when it came back all my saved Onetab bookmarks were gone, including the ones I saved before doing the … (read more)

My firefox browser was running slow, kicked to firefox refresh and when it came back all my saved Onetab bookmarks were gone, including the ones I saved before doing the refresh. Tried integrating the "old firefox data" folder back into the browser info, which seemed to be the way to go based on previous forum answers. That said the fix is unclear and doesn't seem to be working based on previously listed answers. Also, I'm on a Mac (Big Sur 11.2 - just updated OS), the other answers were Windows.. Need some help here please, cause it's kinda insane to have saved all the tabs then firefox just deletes them! Thanks!

Asked by mbass99 2 months ago

Last reply by Mila_s 1 month ago

manage exception for tracking protection

The manage exception is grayed out and not avaialbe for inputting the name of certain websites to be an exception. following is the screen I get with grayed out areas. … (read more)

The manage exception is grayed out and not avaialbe for inputting the name of certain websites to be an exception. following is the screen I get with grayed out areas. How can I enable this window to accept my typing a web address for exception of tracking protection?

Asked by jillapiroozmandi09 1 month ago

Last reply by cor-el 1 month ago

multiple bookmarks to same site but with different login/password associated

I have multiple bookmarks to the same site in different Firebox bookmark folders. Is there a way to specify the the bookmark in folder "A" should default to login/passwo… (read more)

I have multiple bookmarks to the same site in different Firebox bookmark folders. Is there a way to specify the the bookmark in folder "A" should default to login/password "Y" but that the bookmark in folder "B" should default to login/password "Z"?

Asked by bob237 1 month ago

Firefox cant update to the latest version.

Hello, I have automatic updates turned on, and I had this pop up. (See the pictures) I have deleted Firefox completely and installed a fresh copy of Firefox. I still have… (read more)

Hello, I have automatic updates turned on, and I had this pop up. (See the pictures) I have deleted Firefox completely and installed a fresh copy of Firefox. I still have the same problem. I can access websites without any problem, it just wont download the latest version of Firefox. The update history says "Connection timed out" I looked at Firefox updates and looked at the " Downloading updates" icon just buffers. Thanks for any help, Jeff

Asked by jmwilaby 1 month ago

Getting rid of Yahoo as the search enginer

How do I get rid of yahoo as the search engine? I did an update a few weeks ago and now Yahoo is the search engine. Prior to this I was using Google. The difference if Go… (read more)

How do I get rid of yahoo as the search engine? I did an update a few weeks ago and now Yahoo is the search engine. Prior to this I was using Google. The difference if Google is like chatting with an intelligent college graduate and Yahoo is like dealing with a 4-year old.

I am ready to switch from Firefox to Chrome if this is cannot be resolved.

Asked by lellc37 1 month ago

Last reply by FredMcD 1 month ago

FR: Focus last viewed tab after closing a tab

When I close a tab, by default Firefox selects the next tab on the right or the one on the left if the closed tab was the right-most tab. There is an option in about:conf… (read more)

When I close a tab, by default Firefox selects the next tab on the right or the one on the left if the closed tab was the right-most tab. There is an option in about:config

browser.tabs.selectOwnerOnClose

When this option is set to True, firefox will focus the owner.

Neither of these two behaviours is particularly useful. I want Firefox to select the last vieved tab, not the parent, and not the one to the left/right. Currently I'm using add-on Select after closing current which does exactly what I want, however previous versions of Firefox could do this out of the box, and so can Chrome. I think most users would find it useful if this was the default behaviour, thanks!

Asked by Scoox 1 month ago

Cross-Origin IFrame override option?

I just came across an cross-origin IFrame embed that the embedded site did not allow, and I like the error message that Firefox gave. However, it would be useful if I cou… (read more)

I just came across an cross-origin IFrame embed that the embedded site did not allow, and I like the error message that Firefox gave. However, it would be useful if I could "Show Frame Anyway" there, much like I can with things like insecure pages.

Asked by matthew34 1 month ago

Disable redirect to https

I know this has come up many times before, I've read the solutions like this: https://support.mozilla.org/en-US/questions/1019210 But its old. There is also HSTS which Im… (read more)

I know this has come up many times before, I've read the solutions like this: https://support.mozilla.org/en-US/questions/1019210

But its old. There is also HSTS which Im not sure how that works and frankly, as a user I don't care.

We use internal websites on a company intranet domain. For example, a simple webpage to show the status of an application. I had to enable apache and made its config, so I know for a fact the site itself is not redirecting to https (other browsers aren't redirecting). Firefox insists on changing my address bar to https. When I use tcpdump or check the firewall, I dont even see port 80 traffic, firefox doesnt even try.

I tried the above, I also: - disabled addons (which I know dont redirect but to be sure) - erased the relevant history - deleted HSTS config file from my Mozilla profile - tried opening in a private window

The site above is an example, it happens with other sites too. Sometimes, it works for a while and then it stops. Sometimes, I find another site entry in the HSTS file, remove it and try again. Sometimes it works, sometimes it doesn't. I'm at a loss what to try next.

When I completely erase and start a new profile, without sync or addons, it might work but only for a short while. This isn't an option because literally, the only reason I still use firefox is because sync works reasonably well, across all devices, including most settings and addons.

I hope someone can help me fix this, I'd appreciate it!

Asked by hus4nl5r 1 month ago

Error connecting to server.

i cant log in to https://www.tdcardservices.com/?product=TDBANK even explorer did not work, i went to google chrome and was able to log in, i have had the same problem at… (read more)

i cant log in to https://www.tdcardservices.com/?product=TDBANK even explorer did not work, i went to google chrome and was able to log in, i have had the same problem at Ambetter insurance web site. how do i fix this problem ?? wth my old firefox never had this problem.. i have firefox 85 and windows 7. thanks i hope someone knows what wrong.

Asked by ronnb6 1 month ago

Your browser does not support this function!

I installed Lorex security cameras recently. I can access the DVR support box from Firefox and do admin stuff, but I can see no images from the cameras. Instead of images… (read more)

I installed Lorex security cameras recently. I can access the DVR support box from Firefox and do admin stuff, but I can see no images from the cameras. Instead of images I get the message:

  Your browser does not support this function!

This appears in the sub-window that the current image should appear in. I have installed ffmpeg and gstreamer (libav, ugly and unrar) - all to no avail. I am running Fedora 33 currently patched fully (yesterday).

I find it hard to believe that these images cannot be seen in Firefox. What am I doing wrong????

Asked by rholme 2 months ago

Last reply by jscher2000 1 month ago

Netflix

I can't play video on Netflix. I get the message "Firefox is installing components needed to play the audio or video on this page. Please try again later." I have searche… (read more)

I can't play video on Netflix.

I get the message "Firefox is installing components needed to play the audio or video on this page. Please try again later."

I have searched previous threads and tried the suggested fixes but nothing works. I can play Netflix perfectly fine in other browsers I tested.

Asked by madra 1 month ago