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How can I change the default application for a content type?

Running a version of Linux, the default application for PDF files is "Use Document Viewer (default)", which appears to be /usr/bin/evince. I'd much prefer to use /usr/b… (читать ещё)

Running a version of Linux, the default application for PDF files is "Use Document Viewer (default)", which appears to be /usr/bin/evince. I'd much prefer to use /usr/bin/okular; how can I change the default. This question is NOT about how to change the function that is automatically applied when I access a link, in this case "Preview in Firefox", but rather to the default application that I can select when I download a file being viewed in Firefox's previewer.

Задан jonrysh 6 лет назад

Дан ответ jonrysh 6 лет назад

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Firefox doesn't know how to open this address, because the protocol (javascript) isn't associated with any program

Only FF fails; other browsers work fine.....seemed to happen with ff ver 23? please help - I do not want to move to another browser if at all possible. Example: I try … (читать ещё)

Only FF fails; other browsers work fine.....seemed to happen with ff ver 23?

please help - I do not want to move to another browser if at all possible.

Example: I try to edit a calendar...when I click on edit, it gives error and can't open -- BUT - if I hold shift down, it gives the can't open in a new window, and the orig window is usually where I wanted to be....

Задан Lyle 6 лет назад

Дан ответ jscher2000 6 лет назад

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I am unable to sign in to Twitter or Pinterest on Firefox but they both work on Safari

I can't enter my log in information on the Twitter log in page. My Pinterest page is blank and unable to click on any icon at top I cleared cookies and cache but still … (читать ещё)

I can't enter my log in information on the Twitter log in page. My Pinterest page is blank and unable to click on any icon at top I cleared cookies and cache but still doesn't work

Задан Pat928 6 лет назад

Дан ответ sugarcookie 6 лет назад

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When I go to my Groupon I get "400 Bad Request" and cannot get through, but if I use my Internet Explorer it DOES go through. Help?

I use Groupon and recently tried to purchase one but when I hit "BUY" I got "400 Bad Request" error message. I did call Groupon, and they did the purchase for me. Howe… (читать ещё)

I use Groupon and recently tried to purchase one but when I hit "BUY" I got "400 Bad Request" error message. I did call Groupon, and they did the purchase for me. However, when I went on Internet Explorer which I rarely use as optonline does not work well with it, the purchase went through fine.

Why am I getting that error message with Forefox and what can I do about it?

Задан julieparm 6 лет назад

Дан ответ Andrew 6 лет назад

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A script on this page may be busy, or it may have stopped responding. You can stop the script now, or you can continue to see if the script will complete

FIREFOX 23.0.1 - "A script on this page may be busy, or it may have stopped responding" After updating from release 19, my users are now getting this error message from … (читать ещё)

FIREFOX 23.0.1 - "A script on this page may be busy, or it may have stopped responding" After updating from release 19, my users are now getting this error message from my website. There have been no changes to the site and it works with Safari, IE9 and IE10

Задан iLens 6 лет назад

Дан ответ iLens 6 лет назад

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Firefox and Flash Player are using too much memory and slowing my computer

Ever since Monday, August 21, my browser has been having many unexpected crashes. As these crashes have been happening, I have done some research and found out that the l… (читать ещё)

Ever since Monday, August 21, my browser has been having many unexpected crashes. As these crashes have been happening, I have done some research and found out that the latest versions of the Firefox browser and Adobe Flash Player have been using up a lot of memory and CPU. For instance, a recently opened browser uses up over 100 MB of memory, and a single YouTube page will cause the Flash Player to take up about 50-60 MB of memory. Since then, I've been using various programs and add-ons, such as MemoryFox and Firemin, to reduce Firefox's memory usage to 6-7 MB. However, the Flash Player is still using large amounts of memory, and the browser will still crash under conditions that it would have handled properly 3 or 4 weeks ago. If you could provide any help on the matter, I would greatly appreciate it, since I need my laptop in good condition for college work. I apologize if this letter was too long, but I thank you for you time irregardless.

Задан halfturretturbo 6 лет назад

Последний ответ от halfturretturbo 6 лет назад

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Why does Firefox 23 keeps freezing briefly all the time?

Firefox suddenly started freezing briefly for something like 3 seconds all the time when it updated to 23. It does it something like every 10 seconds. How do I stop the r… (читать ещё)

Firefox suddenly started freezing briefly for something like 3 seconds all the time when it updated to 23. It does it something like every 10 seconds. How do I stop the really annoying brief freezing?

Задан Aenfa 6 лет назад

Дан ответ Aenfa 6 лет назад

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My in-page html links don't work in Firefox.

I've made som links within the same page in HTML, and they don't function in Firefox, though they work just fine in IE. I've already tried everything on this page: https:… (читать ещё)

I've made som links within the same page in HTML, and they don't function in Firefox, though they work just fine in IE. I've already tried everything on this page: https://support.mozilla.org/en-US/kb/troubleshoot-and-diagnose-firefox-problems?esab=a&s=links+don%27t+work+in+firefox&r=19&as=s

This has been a problem for years now. Why don't in-page anchor links work? I'm just using html with Wordpad to create my pages, not any CSS.

Задан Kristina_A 6 лет назад

Дан ответ the-edmeister 6 лет назад

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The Adobe Flash plugin has crashed! Help please.

I can't load any flash content within Firefox. I instantly get the following error: "The Adobe Flash plugin has crashed. Reload the page to try again.". So far I've unins… (читать ещё)

I can't load any flash content within Firefox. I instantly get the following error: "The Adobe Flash plugin has crashed. Reload the page to try again.". So far I've uninstalled and reinstalled Flash, restarted my computer, and disabled hardware acceleration all to no avail. Any help would be appreciated.

Задан mkelly923 6 лет назад

Дан ответ jscher2000 6 лет назад

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How can I remove http://en.v9.com from firefox

I can not remove http://en.v9.com from my browser starting page, I've tried all the possible option but failed. Please help. … (читать ещё)

I can not remove http://en.v9.com from my browser starting page, I've tried all the possible option but failed. Please help.

Задан kaushikb2013 6 лет назад

Последний ответ от Giedrius_M 6 лет назад

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Citrix access gateway website -- the application frame does not load properly

Goal - use remote desktop via citrix website; Did work in FF in July; now (Aug) it doesn't Problem: Application frame with link to RDP is blank I log into website OK… (читать ещё)

Goal - use remote desktop via citrix website; Did work in FF in July; now (Aug) it doesn't

Problem: Application frame with link to RDP is blank

I log into website OK - three frames should be present: 1) fileshare - I don't use this & it appears to load OK; 2) websites - I don't use this & it appears to load OK ; and 3) Applications - This frame is blank but it should load a collection of links including a link to remote desktop

Behavior: If I have just cleared the history then the application frame will "clock" (this is normal) but instead of showing the links a blank frame appears; If I have NOT just cleared the history, the application frame shows the "clock" but it is frozen; slightly different but still results in blank application frame.

I have tried: 1. clear history before logging in (change in "clocking" but still results in blank application frame 2. IPV6- disable by set to true; No impact on problem; toggle back to false 3. network DNS disable prefetch; disable by set to true  ; no impact on problem; toggle back to false 4. preference named plugins.load_appdir_plugins; change its value to true; no impact - set back to false

One significant change I have made "around" the time of the problem is I uninstalled norton that came preinstalled, installed adaware, and removed/ disabled the adaware browser toobar ;

I will appreciate any suggestions from the community.

Задан FFuser4444 6 лет назад

Дан ответ datka3 6 лет назад

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Whats with all the pop-ups and ads and new windows and tabs? I have popups blocked but I still keep getting new windows popping up and new tab

The popups wont stop. No matter what I do I get ads on the top or sides, and when I am clicking on something in my school website I keep getting new windows and new tabs … (читать ещё)

The popups wont stop. No matter what I do I get ads on the top or sides, and when I am clicking on something in my school website I keep getting new windows and new tabs with crap.


title edited by a moderator

Задан losvarelas3 6 лет назад

Последний ответ от TrudyVilmaTech 6 лет назад

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How can I set the New Tab Page so that it only shows my Bookmarks (Like chrome) and not the history ?

Hello, I've recently installed Firefox on my new PC after giving Chrome yet another chance (I've had bad experiences with it) and after seeing crashes everywhere I just … (читать ещё)

Hello, I've recently installed Firefox on my new PC after giving Chrome yet another chance (I've had bad experiences with it) and after seeing crashes everywhere I just gave up. I'm a long-time Firefox user but I've never been able to figure out how to prevent the New Tab Page from showing the Browser's History. Is there a way to make Firefox show Bookmarks and Folders on the NTP instead ? Also, is there a way to make the Bookmarks bar show on the New Tab Page ONLY ?

Задан Xeraser 6 лет назад

Дан ответ TheOldFox 6 лет назад

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adobe shockwave crash

i continually get messages saying that shockwave flash has stopped working and if i want to stop the plug-in or continue. my shockwave flash is up-to-date so i don't kno… (читать ещё)

i continually get messages saying that shockwave flash has stopped working and if i want to stop the plug-in or continue. my shockwave flash is up-to-date so i don't know what else to do.

Задан telenetworx 6 лет назад

Последний ответ от kobe 6 лет назад

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How do I fix a McAfee Site Advisor that works when it wants to ?

I have McAfee Internet Security with a Site Advisor that works when it wants to. When I start my browser it sometimes isn't there and it isn't until I restart my computer… (читать ещё)

I have McAfee Internet Security with a Site Advisor that works when it wants to. When I start my browser it sometimes isn't there and it isn't until I restart my computer it makes an appearance. The same problem is true for the green ticks that show whether it's safe to browse. I have uninstalled and reinstalled Firefox and Site Advisor but neither have worked for me, so I am left with restarting my computer every time I turn it on to get a working Site Advisor. I am using Windows 7 64 bit if that helps so if anyone can fix this perplexing issue for me once and for all I will be forever grateful.

Задан Jumbochick 6 лет назад

Последний ответ от James 6 лет назад

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you tube videos crash after few seconds in Firefox

I have got the latest flash version and Firefox. You tube videos keep crashing after a couple of seconds. Very occasionally the same one that crashes will play . I have … (читать ещё)

I have got the latest flash version and Firefox. You tube videos keep crashing after a couple of seconds. Very occasionally the same one that crashes will play . I have been trying everything for about 2 days including reinstalling firefox with new profile, uninstalling flash with Adobe's uninstall program and every other suggestion I have found on the internet but nothing seems to make any difference. I am thinking of using Chrome which does work but I do not want to. Previously it worked fine in Firefox with hardware acceleration. I hope someone can find a solution before I tear all my hair out. Thank you

Задан johnboy63 6 лет назад

Последний ответ от Chromeheads 6 лет назад

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I've started getting pop-under ads every time I launch Firefox, and the uninstall instructions don't make sense, how can I stop these?

In the past couple of weeks, every time I launch Firefox, a full-size pop-under ad is also launched, regardless of what site I'm browsing. The original ad was for a You … (читать ещё)

In the past couple of weeks, every time I launch Firefox, a full-size pop-under ad is also launched, regardless of what site I'm browsing.

The original ad was for a You Tube survey, and contains a link to coupondropdown.com, where there's a menu option for uninstalling. The uninstall instructions don't make sense, they don't mention what ad-on is controlling the ads, and I can't work out what's responsible for the ads from my very basic range of ad-ons.

The reason I'm writing is that the ads have progressed from annoying but harmless, to dangerous. The ad today was designed as a warning pop-up, text reads, "Threat Detected: Immediate Action Required. Fatal Registry Error ... click "Repair All" to eliminate all possible threats and clean your PC". I have screenshots of all the above.

I'm worried that another user, my son or mother, might take this warning seriously and install malware by accident. What can I do to prevent these ads? I expect this type of malware advertising on dodgy websites, but I'm getting them when I try to access hotmail, the news, etc, so it's not the website that's causing them.

Задан nailaaboukhater 6 лет назад

Дан ответ kobe 6 лет назад