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Runtime Server Error in '/' Application and a 'create root file to fix' dunno how to do this.

For several weeks Firefox crashes when I close it down for the day. Firefox error message box sends crash report. Today I got I think from Firefox: please create a &… (read more)

For several weeks Firefox crashes when I close it down for the day. Firefox error message box sends crash report. Today I got I think from Firefox: please create a <customErrors> tag within a "web.config" configuration file located in the root directory of the current web application. This <customErrors> tag should then have its "mode" attribute set to "Off". <configuration>

   <system.web>
       <customErrors mode="Off"/>
   </system.web>

</configuration> Then there's a second file it says to add. Umm, where/how? The current error page you are seeing can be replaced by a custom error page by modifying the "defaultRedirect" attribute of the application's <customErrors> configuration tag to point to a custom error page URL. <configuration>

   <system.web>
       <customErrors mode="RemoteOnly" defaultRedirect="mycustompage.htm"/>
   </system.web>

</configuration> Okay, but under ProgramFiles>Firefox there are several folders and none of them say "root" so where am I to create said file and how do I get it there? And then what? I sure don't want to crash Firefox any more than it does as it at least still works.

Asked by FranB7077 6 years ago

Answered by jscher2000 6 years ago

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Firefox eating memory during regular browsing all the time

For the past several weeks I'm becoming increasingly aware of severe memory issues when using FF (currently FF30 32bit). No matter what I do, FF seems to keep allocating … (read more)

For the past several weeks I'm becoming increasingly aware of severe memory issues when using FF (currently FF30 32bit). No matter what I do, FF seems to keep allocating more memory to the point where it starts having severe issues and slowdowns, eventually crashing when the used memory reaches about 2.4GB, according to Windows Task manager (I'm running Win7 64 on 8GB of RAM). Currently, the whole process got so bad that it only takes several hours for FF to crash. I don't even have to use FF for this to happen - if I simply leave it running for two hours, when I come back, it's process is already using a few hundred MB of memory more.

I've tried disabling all of the add-ons. I've tried disabling all of the plugins, including Flash (which is always udated to latest version). I've tried the safe mode. I've even tried a clean profile. Nothing really changes much - some of my add-ons might have some influence on how fast FF eats the RAM and they certainly have visible impact on how much memory is used from the start, but even without any add-ons, the memory footprint of FF still gets bigger and bigger over time just by regular browsing.

I've also tried both installing FF28 with clean profile into clean directory - again, the same behaviour was observed, although it used less memory by default and its memory footprint was getting bigger slower than with FF30. I've also tried current nightlies (FF33a1), both 32bit and 64bit, again with a clean profile, installed into a separate new folder. Again, didn't really solve anything.

I also have a second separate Windows 8 install on my PC, so I've tried FF30 in this install as well, however, it behaves exactly the same. FF does this even under my Linux installation, so I really doubt it has something to do with my Win install.

Note that I've also tried running current Pale Moon, and while its allocated memory grows much slower than with FF, it still grows over time unexplicably, and as Pale Moon is based on FF code, I'd say this suggests there's some kind of issue there.

Also note that I usually have quite a few tabs open (around 50 is my average - and no, I don't want to use less tabs, before someone suggests that, I think any browser on current hardware should be able to handle 50 tabs without much issues, and pretty much any other browser is), but the same behaviour was observed even with under 10 tabs. I also always disable the delayed tab loading, meaning that all of my tabs load at browser startup, not just after I click on them, so my starting memory footprint with all of my tabs and add-ons is around 1.4GB (1.1 in Pale Moon), which probably means I'm seeing this issue manifest faster than many other would. I'm fine with the memory it eats at startup and with the slower startup. I would even be fine with my browser taking up 2 gigs of RAM (I've got 8GB of RAM for a reason), as long as it doesn't keep on allocating more and more memory without it ever going back down, even when I close several tabs.

Finally, it might be interesting to note that the memory measurements at about:memory grow much slower than the allocated memory reported by Task manager - meaning that quite often, FF memory measurement says it's using 1395MB RAM, while in Windows Taks manager, the Firefox32 process is reported as already taking up e.g. 1.8-2.0GB of RAM, and around 1500MB RAM in FF can equal to 2.2-2.4GB in Task Manager (meaning it's pretty close to FF crashing). And the "Free memory" buttons in about:memory seem to have no effect on the allocated memory, reported in Task manager (even though they do have some minor effect on used memory reported by FF itself there).

I don't really expect much help, I think I've already tried pretty much everything there was to try and for the time being it seems to me using Pale Moon is my only option right now, as in it the memory issues are at least somehow manageable and not as annoying as in classic FF, but I still thought I might post this here, if perhaps only for someone to take notice.

Asked by Case_f 6 years ago

Answered by guigs 6 years ago

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After refreshing Firefox Beta 39.0, the browser will not open a website that opens in a new tab.

"SSL received a weak ephemeral Diffie-Hellman key in Server Key Exchange handshake message. (Error code: ssl_error_weak_server_ephemeral_dh_key) The page you are trying … (read more)

"SSL received a weak ephemeral Diffie-Hellman key in Server Key Exchange handshake message. (Error code: ssl_error_weak_server_ephemeral_dh_key)

The page you are trying to view cannot be shown because the authenticity of the received data could not be verified. Please contact the website owners to inform them of this problem."

The page used to load in a new tab before I selected to Refresh Firefox. I cannot find out how to allow Firefox to open webpages in a new tab when selected from the tab in use.

Asked by COKevin 5 years ago

Answered by philipp 5 years ago

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How to uninstall Firefox if Add/Remove programs won't work?

My Firefox is completely unresponsive. I can't get a browser or anything. I just grabbed the application folder and threw it in the trash, because the add/remove progra… (read more)

My Firefox is completely unresponsive. I can't get a browser or anything. I just grabbed the application folder and threw it in the trash, because the add/remove program function did nothing. I also cannot download the newest version of Firefox. It tries, but then says, "Your download was interrupted".

How can I make sure I've removed ALL of the old Firefox and what can I do to download the new one?

Asked by doubledogdair 7 years ago

Answered by kobe 7 years ago

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high CPU usage

after updating to firefox 29 and then 29.0.1, the cpu usage that firefox are using are insane, it ranges between 50%-100% cpu usage. and it happens even on normal non fla… (read more)

after updating to firefox 29 and then 29.0.1, the cpu usage that firefox are using are insane,

it ranges between 50%-100% cpu usage.

and it happens even on normal non flash tab,

besides even if the site is using flash, i am using flash block and adblock plus,

so anykind of flash material wont play or uses cpu.

please fix this ASAP, because firefox has now gone from useable to resource hog,

oh and i don't like the new look, because firefox has become more similar to chrome on User interface,

and i don't use chrome, because i don't like the UI, and now firefox tried to be chrome twin ?

i think that's all, thanks in advance.

edit : fixed some typo

Asked by DM789 6 years ago

Answered by DM789 6 years ago

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Why do I keep getting the message "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 s"?

I have 3 firefox windows with multiple tabs in each, but the main one (and sometimes others) freeze and preclude browsing showing a box saying "A script on this page may… (read more)

I have 3 firefox windows with multiple tabs in each, but the main one (and sometimes others) freeze and preclude browsing showing a box saying "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.

Script: chrome://fctoolbar841468a1d7f44bd384e6bb0f13a06c64/content/fctoolbar.js:1" What stops the script? I gather it's not to do with Google Chrome but FF's internal template for web pages. So, an FF shortcoming, inability to cope, but with what? AFAIK, all software is up to date. I've restarted FF, restarted the laptop, but still the FF problem persists. What is causing it?

Asked by henryfm 6 years ago

Answered by Wesley Branton 6 years ago

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how to fix insecure connection for every website

Firefox will not allow me to go to any Websites. Any website I try to go to it tells me that it is an Insecure Connection. In advanced it will not allow me to add the web… (read more)

Firefox will not allow me to go to any Websites. Any website I try to go to it tells me that it is an Insecure Connection. In advanced it will not allow me to add the website to exceptions. I have already uninstalled and reinstalled firefox and it did not fix the problem. Some examples of websites I am unable to go to are Google, Facebook, and Yahoo. the only Website I am able to get to is Bing and the Firefox website.

Asked by lhanson2436 4 years ago

Answered by jscher2000 4 years ago

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Starting today, Firefox will not open Adobe Acrobat files in Adobe Reader, despite my putting Reader as default in Applications tab.

Until today, I had no trouble opening Adobe Acrobat files with Adobe Reader 9.5. (I need to use an old version of Adobe Reader, because I use a program called Macro Expre… (read more)

Until today, I had no trouble opening Adobe Acrobat files with Adobe Reader 9.5. (I need to use an old version of Adobe Reader, because I use a program called Macro Express that does not recognize later versions.) Starting this morning, when I click on an Acrobat file, I am asked which program I want to open it with. Even when I click "Do this automatically...", it doesn't do so. It asks me every time. I went into Tools, Applications, and changed all of the pdf related issues to open with Adobe Reader 9.5. This also doesn't work.

Asked by KevinBrau 8 years ago

Answered by philipp 8 years ago

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How do I resolve the "Mozilla cannot find runtime" error message when I try to start Firefox?

Mozilla Firefox updated to version 36.0. When I click on the Firefox icon to open it I receive the message: "Mozilla cannot find runtime" I receive the same message if I… (read more)

Mozilla Firefox updated to version 36.0. When I click on the Firefox icon to open it I receive the message: "Mozilla cannot find runtime" I receive the same message if I try to open Firefox by selecting "firefox.exe" from within the Program Files. I subsequently uninstall Mozilla Firefox and reinstall it. It will open and run normally right after the re-installation. Then if I close the program and try to re-open it again, I get the same "Mozilla cannot find runtime" error message.

The only way I can get Firefox to open is if I uninstall and re-install it every time I want to open it after the initial re-installation.

Asked by sage68 6 years ago

Answered by sage68 6 years ago

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How do I fix slow scrolling, it is getting really annoying!

I cannot seem to find a solution. Answers I found online were to go to options > advanced > general and disable hardware acceleration and/or smooth scrolling. I tri… (read more)

I cannot seem to find a solution. Answers I found online were to go to options > advanced > general and disable hardware acceleration and/or smooth scrolling. I tried any combination and my scroll is still I assume one line per rotation which is really annoying! Please help me! Thank you in advance.

Asked by WebGen 7 years ago

Answered by iamjayakumars 7 years ago

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Why by default Firefox uses so much RAM?

I tried to use Firefox in three different computers but only in the one with over 4 GB of ram is usable. Why it uses so much RAM and renders so slow? Specially the scroll… (read more)

I tried to use Firefox in three different computers but only in the one with over 4 GB of ram is usable. Why it uses so much RAM and renders so slow? Specially the scroll is really laggy.

I tried clean installations but they do not fix the issue.

When opening Firefox and Chrome and playing a video in YouTube, Firefox uses over 500 MB while Chrome uses less than 300 MB. Both with the same single addon.

Is there something that can be done to use Firefox in computers with less than 4 gb of RAM?

Asked by delavaca 3 years ago

Answered by Scribe 3 years ago

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I get this message," The proxy server is refusing connections"

The proxy server is refusing connections Firefox is configured to use a proxy server that is refusing connections. Check the proxy settings to make sure that they are … (read more)

The proxy server is refusing connections

Firefox is configured to use a proxy server that is refusing connections.

   Check the proxy settings to make sure that they are correct.
   Contact your network administrator to make sure the proxy server is working.

Asked by Dave19 6 years ago

Answered by philipp 6 years ago

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how to fix ssl_error_bad_cert_domain

I am constantly getting This Connection is Untrusted (Error code: ssl_error_bad_cert_domain). At the moment it says that google is receiving a facebook certificate. It co… (read more)

I am constantly getting This Connection is Untrusted (Error code: ssl_error_bad_cert_domain). At the moment it says that google is receiving a facebook certificate. It constantly bothers me and it happens frequently and randomly. It happens and then go away after a short amount of time. If I add an exception, I can't access google at all and will always be re-directed to facebook. I don't know how to fix this stupid error.

Asked by goedorsa 8 years ago

Answered by cor-el 8 years ago

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How Do I Remove Nation Zoom Homepage Hijacker (Get Rid of nationzoom.com Redirect)

I received a notification to update an Adobe product that is commonly used by internet users daily. After installing, the actual product download failed but now when I … (read more)

I received a notification to update an Adobe product that is commonly used by internet users daily. After installing, the actual product download failed but now when I open Firefox and Internet Explorer it directs and goes to NationZoom. I go into options and type in yahoo to open program or a new tab and it goes to NationZoom. How do I get rid of it? I found that NationZoom's parent company is Violeter Technology Limited when I did a Google search. NationZoom has it taken over my browsers and the URL I get every time I open up a browser is http://www.nationzoom.com/?type=sc&ts=1386393134&from=tugs&uid= FUJITSUXMHZ2320BHXG1_K61ET8C2A5LUT8C2A5LUX

I tried uninstalling and reinstalling Firefox and I still get the same problem.

Please help, thanks Raymond

Asked by RaymondHay 7 years ago

Answered by viandy 7 years ago

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Firefox on start says couldn't load XPCOM

I use latest version of Firefox on my Windows XP SP2 and when I try to launch Firefox it only says couldn't load XPCOM and also no one of others browsers( I tried IE, Chr… (read more)

I use latest version of Firefox on my Windows XP SP2 and when I try to launch Firefox it only says couldn't load XPCOM and also no one of others browsers( I tried IE, Chrome) doesn't works, simply they do nothing- Please HELP.

Asked by djoka933 8 years ago

Answered by ffw62 8 years ago

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How do i fix tis ( Sorry, an error occurred while processing your request. )

When i try to go to traegergrills.com i keep getting this message (Sorry, an error occurred while processing your request. ) I can go there on my other computer? … (read more)

When i try to go to traegergrills.com i keep getting this message (Sorry, an error occurred while processing your request. ) I can go there on my other computer?

Asked by alburt 7 years ago

Answered by cor-el 7 years ago

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Stop connection timeouts from happening - want the page to wait

I run multiple tab that monitor various tools. These pages refresh themselves. The pages have to wait for each other to finish before they can start. In version 28 this w… (read more)

I run multiple tab that monitor various tools. These pages refresh themselves. The pages have to wait for each other to finish before they can start.

In version 28 this was fine. The page would just wait indefinitely and kick in when a previous page finished doing its thing.

Now in version 29 it returns with a "The connection has timed out" message after some minutes.

I have adjusted

network.http.connection-timeout network.http.pipelining.read-timeout

to high values but problem is still occurring. Any thoughts on how I can return the behavior to FF28?

Asked by AndyOrange 6 years ago

Answered by jim99 6 years ago

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Context3D not available! Possible reasons: wrong wmode or missing device support.

I am receiving this error every time I try to load a flash website game page. I started getting this immediately after upgrading from Nightly 45a to 48a and the latest fl… (read more)

I am receiving this error every time I try to load a flash website game page. I started getting this immediately after upgrading from Nightly 45a to 48a and the latest flash v21. If I reset Nightly it will take some time but it will load the page and operate properly one time only. Then once shutdown and restarted Nightly will again give the error:

Context3D not available! Possible reasons: wrong wmode or missing device support.

I am running the latest drivers from nvidia 364.51 --> 361 was the same effect Latest Nightly 48.0a1 Latest Flash 21.0r0 all web caches cleared all flash caches cleared I am getting this same effect on Windows 10 x64 and another machine with Windows 7 x64 both operate identically I did notice hardware acceleration was disabled after the updates and I rechecked hardware acceleration. Both ways will not work and have no effect on the error. I have lowered screen resolutions down to 800x600 sheesh no effect

I enabled and disabled e10s multi-process to no avail Edge works fine, and on the Windows 7 x64 machine I have loaded 32bit Firefox and it is working fine with the flash v21

Asked by DC 5 years ago

Answered by DC 5 years ago

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firefox 20.0 adobe flash 11.7 100% crashes. Cannot watch any videos at all anymore. Help?

3 days ago I was trying to watch videos on youtube and i kept getting adobe flash player crash error. i went ahead and updated to firefox 20.0.1 and i updated to flash p… (read more)

3 days ago I was trying to watch videos on youtube and i kept getting adobe flash player crash error. i went ahead and updated to firefox 20.0.1 and i updated to flash player 11.7. still getting the error. Ive clean installed both since. I've reverted to older versions even the 10.3 listed on Firefox Troubleshooting guide. Nothing seems to work. I cannot watch any video period on any website that i've tried. Ive ran Malwarebytes and virus scans both with latest definitions and all is clean. Now firefox just crashed as i was writing this. weird. some assistance would be appreciated. Thanks

Asked by ParadoXIII 7 years ago

Answered by jscher2000 7 years ago