Question about Mozilla Firefox

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Can't save files using Firefox and Vista

When using Firefox, can't save jpeg, zip, etc files anywhere and I'm using Vista. Says that the files are downloading and where checked for viruses. When I got to the locations, its blank! I removed the antivirus, and its still the same. When I change over to Explorer, it runs/saves perfectly!.

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  • tiger213 Dec 16, 2008

    When using Firefox, can't save jpeg, zip, etc files anywhere and I'm
    using Vista. Says that the files are downloading and where checked for
    viruses. When I got to the locations, its blank! I removed the

  • caferrell79 Jan 06, 2009

    when i download anything on fire fox i never get a green check on bottom of utorrent page


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Hi Nancy,

For me Firefox always puts my files in
C:// > Users > Chris > Downloads whereas IExplorer always puts them into Chris > Documents.
so I guess yours would be the
C:// > Users >Nancy > Downloads for Mozilla
and Nancy > Documents

I know that sounds really patronising! But sometimes it is just a simple thing like that. Forgive me if that just sounds dumb! :)

Try uninstalling Firefox and downloading the latest version, if all else fails., but re-install your antivirus! (and try running Spybot from as a spyware companion for your antivirus program)

Hope this helps
Season's Greetings

Chris (ziraffa)

Posted on Dec 21, 2008

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Nancy, i have the same problem and it has nothing to do with where the files are saved or virus. It just plain isn't saving the files. Mine now doesn't even pretend to save. I click on "save as" and absolutely nothing happens. And just like you, IE works fine. There are known compatability issues with firefox and Vista. I suspect that we need to return to an older version of Firefox without the most recent update.

Posted on Jan 17, 2010

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What do xpcom mean when trying to get on to internet site as it keeps comeing up cannot load xpcom

Certain Firefox problems can be solved by performing a Clean reinstall. (XPCOM problems require a reinstall) This means you remove Firefox program files (not any bookmarks etc. in your profile folder) and then reinstall Firefox. Please follow these steps:
Note: You might want to print these steps or view them in another browser.
  1. Download the latest Desktop version of Firefox from and save the setup file to your computer.
  2. After the download finishes, close all Firefox windows (click Exit from the Firefox or File menu).
  3. Delete the Firefox installation folder, which is located in one of these locations, by default:
    • Windows:
      • C:\Program Files\Mozilla Firefox
      • C:\Program Files (x86)\Mozilla Firefox
    • Mac: Delete Firefox from the Applications folder.
    • Linux: If you installed Firefox with the distro-based package manager, you should use the same way to uninstall it - see Install Firefox on Linux. If you downloaded and installed the binary package from the Firefox download page, simply remove the folder firefox in your home directory.
  4. Now, go ahead and reinstall Firefox:
    1. Double-click the downloaded installation file and go through the steps of the installation wizard.
    2. Once the wizard is finished, choose to directly open Firefox after clicking the Finish button.

Apr 26, 2015 | Computers & Internet


How to change where Firefox saves downloaded files

Firefox by default saves anything that you download -- music, movies, documents, etc. -- to a specific Downloads folder. However, many users aren't aware of where this folder is, and they don't want to have to hunt it down every time to find their downloads.<br /><br />By following the steps below, you can change the location where Firefox saves your downloads. You can have them sent to your desktop, a network folder, a thumb drive, or anywhere else that is accessible from your computer.<br /><br /><span style="font-weight: bold;">To change Firefox's download location:</span><br /><br /><span style="font-weight: bold;">1.</span> Open Firefox.<br /><span style="font-weight: bold;">2.</span> On the menu bar across the top, click <span style="font-weight: bold;">Tools</span>.<br /><span style="font-weight: bold;">3.</span> Select <span style="font-weight: bold;">Options</span> from the drop down menu.<br /><span style="font-weight: bold;">4.</span> If the General tab at the top of the window is not highlighted, select it now.<br /><span style="font-weight: bold;">5.</span> Under the Downloads heading, after "<span style="font-style: italic;">Save files to</span>," click the <span style="font-weight: bold;">Browse </span>button.<br /><span style="font-weight: bold;">6.</span> Choose a folder or location for Firefox to save your downloaded files to. You can create a new folder by highlighting the location where you want the folder to be and clicking the <span style="font-weight: bold;">Make New Folder</span> button in the lower left corner of the window.<br /><span style="font-weight: bold;">7.</span> Once you've selected the folder that you want and it's highlighted, click <span style="font-weight: bold;">OK</span> to close the Browse window.<br /><span style="font-weight: bold;">8.</span> If you would rather have Firefox prompt you where to save files every time you download something, click the circle next to "<span style="font-style: italic;">Always ask me where to save files</span>." (This option is helpful if you want to save different kinds of downloads to different locations.)<br /><span style="font-weight: bold;">9.</span> Click <span style="font-weight: bold;">OK</span> once you are done to close the window and apply the change.

on Mar 18, 2011 | Mozilla Firefox


Save ALL website passwords on Firefox and backup to XML


One of the best ways to do this is first permanently enable user ID and password Auto Complete on all websites to do this you can edit the following file this will allow all websites including Windows Live, Nectar and many more that until you do this java script modification can't be auto-saved


Then open the file in a free JavaScript Edtior this a a good one to useis from Yaldex however there are many more just google js editors

Locate the following lines of code (around line 805 -807 in Firefox v3.6.3), and the comment out the lines by adding // (double slash) in front of the lines.


After editing, save the file and restart Firefox browser, and now all passwords can be saved regardless of the website settings if you are not upto editing JavaScript then download the modified file HERE on my Public Sky Drive and save in place of the original


Then download and install the Password Exporter XPI Developed by Firefox Add-ons remember to Obfuscate to increase security and if required WinRAR 3 it to an archive file with a strong password for extra security.


This is a great tip for backing up passwords to copy onto other PC's using Firefox or for complete Firefox browser reinstall it is also a good idea to use a master password set this in the Tools Options Security TAB make sure that you use a strong password as shown below of at least 6 characters.


Another great add-on by Daniel Dawson, not relation, is Saved Passwords XPI it not only allows you to edit saved passwords by adding an Edit button it adds the New button to the existing menu


If you click New then it will open another window to enable you to create new passwords for those sites that Firefox doesn't ask on of the following at the top of the browser window;


Here is how it deals with our very own FixYa Login screen via a WebForm


You need to decide whether you want it to Guess from the Current page in the current Tab, use a Web Form, HTTP Authentication OR just a simple username and password for the selected host.

This example is for the SKY Broadband Sagem F@ST Router this is set to HTTP authentication


The Host is the URL that you type to access the Router Panel the HTTP Realm is the type in Brackets for Info only


If you also incorporate the Secure Login XPI you will not only be able to activate JavaScript Protection it will automatically search for login data and highlight the form fields so all you need to is type the first character OR it will be there already for you if you have saved the details previously.


on May 11, 2010 | Mozilla Firefox

1 Answer

Why is icuuc52.dll missing in Firefox?

icuuc52.dll is the dynamic link library "International Components for Unicode", which is part of the ICU Project. It's a common file used by a number of different programs.

Do a search of your computer, you may already have a copy of it somewhere in a different program folder (Rather than downloading it from some dodgy website). If you find it copy and paste it into the C:\windows\system32 folder then run Firefox and it should run.

if you don't have a copy of the DLL then you will need to get one form a friend or you can download it form this site which I have checked for you. Ignore all the spam and click the big grey button that says "DOWNLOAD ZIP FILE" on the middle right side of the page. This will download a zip file that contains a text file (Spam) and the DLL you need. There is no malware or viruses (at this time) in the zip file.

May 14, 2014 | Mozilla Firefox

1 Answer

I can't watch videos

Firefox is a very popular web browser that enables you to search and navigate the web. It allows you to run a number of components, such as toolbars, download managers and video players, to enhance your browsing experience. However, you can run into occasional display problems and crashes that require some troubleshooting. With some simple guidelines, repair common Firefox problems and improve your browser.

Print or write these directions down before proceeding. Close down Firefox and click the Windows Start menu on the desktop. Select "All Programs" and navigate to the "Mozilla Firefox" folder. Click "Mozilla Firefox (Safe Mode)" in the folder. This launches Mozilla Firefox Safe Mode. In Safe Mode, you can repair Firefox issues. Select the areas you want to repair on the "Safe Mode" window. For example, select "Reset toolbars and controls" if you want to remove third-party toolbars. Select "Disable add-ons" if you want to disable plug-ins such as download managers. Click the "Make Changes and Restart" button to repair the web browser. Restart your web browser normally after you complete the repair process. Step 5. Uninstall and reinstall Firefox if you are still having problems with it. To do so, go to the Mozilla Firefox download page and click "Free Download" (see Below). When prompted, click "Save" and save the browser installation file on your desktop. Click the Windows Start menu and click "Control Panel." Double-click "Add or Remove Programs" to launch the programs list if you are using Windows XP. For Windows Vista and 7 users, launch the programs list by clicking "Programs" and clicking "Programs and Features." Click "Firefox" and click "Remove/Uninstall" to remove the web browser from your computer. Double-click the Firefox installation file you downloaded in Step 5 and click "Run" to reinstall the web browser on your computer.

Jan 10, 2013 | Mozilla Firefox


Lock your Mozilla Firefox Homepage from Hijackers permanently

I got soooo tried of toolbars like Ask and Google changing my startup tabs and then not being able to restore then even using session restore on TabMixPlus XPI for Firefox to I devised my own method to lock my desired tabs just for me now I share this with you all, note you can still install this XPI make sure that you set it to show homepage on restart so that if you use restart it will still work, as well as just closing the browser window using the usual red right-hand cross

The two modes of TabMixPlus showing Firefox Built in Session Restre and TabMixPlus Session Manager you can't use both at the same time >>


This is a tried and tested 100% to lock your homepage from hijackers and give you the tabs that you want to start with time and time again I have set my two tabs to the Router control panel for Sky Sagem F@ST Router and my FixYa page, use your own...

First create a file called homepage.txt and place these line inside it and save it as a text file with the file extension *.txt

lockPref("network.proxy.type", 0);
lockPref("browser.startup.homepage", "|");

If you want extra tabs add more pipelines | after the aspx then download this and to create a homepage.cfg file use 13 as the shift by value


You then need to change the all.js in the C:Program FilesMozilla Firefox folder you need to add this line to the end to action you new file and save it

pref("general.config.filename", "homepage.cfg");

When you restart Firefox you will see that under the options tab the homepage will be greyed out OR locked.


For a second opinion check this using the about:config option in the MR Tech Toolkit XPI also worth installing I have used this since it was called local install way back. Then benefits of this method are 100% locked from hijackers and user definable whenever you want to change your homepage just copy and paste the new URLs that you want after each pipeline make sure that you create another cfg file before you start the browser it will fail unless it can read the homepage.cfg file you have been warned.


Here is my Sky Drive Link for an example that you can use HERE copy the entire folder to you Mozilla Folder then you can use it if you want to change the homepage.txt to add or remove tabs don't forget to Bit Shift it afterwards

on Mar 22, 2010 | Mozilla Firefox


Speed Up Firefox loading times by defrag of the places.sqlite

Having database store your browsing data has one drawback, you have to optimize the database from time to time to get rid of old, deleted data, re-index the columns etc.Otherwise you keep all the junk data mixed in with your real data.

Over a period of time your places.sqlite database will fill with data of your browsing history this will cause the loading of Firefox to become sluggish even on fast PC's it almost appears to freeze and make you wanna go back to IE8 or to Chrome it don't use this Tip and stay with Mozilla.


There are several solutions the easiest is to rename the places.sqlite file to places.sqlite.bak and if you need to open this file and save any of your history links you can use Nirsoft's excellent MozillaHistoryView you will have to select the Application Data folder manually in order to edit this file this one has almost 8,000 entries and is over 3MB in size.

If you want to do this automatically there is an XPI add-on called Vaccum Places that you can set to do this for you I prefer removing the file every month of so and using the viewer to save any websites that you might need


To activate the sqlite defragmentation goto the tools and click the last entry Vacuum places.sqlite and you will receive confirmation in the lower right hand corner of the desktop you will see a marked improvement in the cold start of firefox, you can set this to automatically do this after a specified number of starts I find 30 to be a good number.

Remember this will not remove entries but place them in order to make firefox faster so if you use the Nirsoft viewer you will still have the same number of entries just in a better order.


You can also set the history to only keep a few days history, 90 days is the default which is too long you can get away with 20 or so quite easily use the settings in the Firefox browser to do this.


You will notice a huge speed up on the loading of your Firefox from several minutes to a few seconds using a combination of the Vacuum XPI and reduced browsing history settings.

If you want to compress this sqlite database and remove a possible bug caused by Google toolbar bloating the dB then use this free software you will have to unzip the archive into you own profiles folder and then browse for the places.sqlite file create a backup prior to doing this


You will need to find the default Firefox profile and make a backup copy of the places.sqlite file access this using the following command from the run prompt


Happy Faster Firefox-ing you can reduce your database down by about 10% removing all the Google toolbar entries using this compression from RECENTX and speed up your Firefox loading time I used this then uninstalled the google toolbar didn't use it anyhow.

There are also 4 more XPI add-ons that will do this however I prefer the Vacuum Improved one


The SQLite Optimiser XPI as well as the Vacuum function has the added indexing function which also speeds up the loading times the result should look like this.


on Feb 21, 2010 | Mozilla Firefox

1 Answer

I want toopen to have adofe flash player but internet doesnt permit to loaded

The following guide, originally written for Firefox 2, has been used successfully on Firefox 3, Firefox 3.5 and Firefox 3.6. Users of Firefox Portable edition (versions 3, 3.5 and 3.6) also have been successful using this guide.
The Windows computers available at my University permits login only by autenticated users (students) who don't have Administrator access and permissions.
Installing software on those PC is then not possible.
Recently they finally installed Firefox 2 but without the Flash plugins, which is absolutly useful/needed.
I then tryed to install the Flash Player using the "standard" way (click on the missing plugin link then install the plugin..). However without administrator plugins it was not possible to install.
Then I started doing some tests trying to install the plugin manually. Now I have it installed and working perfectly!
This is how I managed to install it without administrator permissions:
  1. Download the XPI archive of the Flash Player Plugin to your hard disk (right click on the download link then "Save link as.."). XPI archives are only ZIP files containing the files used by the plugins. A more updated version of the plugin is also available here.
  2. So you can safely rename the file you just downloaded, called flashplayer-win.xpi, into (you are changing its extension from .xpi to .zip)
  3. Extract the files in the archive. You can use any program capable of opening .zip files (WinZip, WinRAR or the free and great 7-zip). There are also websites which can uncompress archives:
  4. Copy the files flashplayer.xpt and NPSWF32.dll to %APPDATA%\Mozilla\Plugins\
    • %APPDATA% is not a real folder. It's an alias. By inserting it in your windows explorer address bar, you'll be redirected to the real folder which holds your applications profiles and settings. The location of this folder depends on various setting that's why we need the alias and not an absolute path.
    • You can open this folder simply choosing "Start ? Run ? Type in %APPDATA% ? OK".
    • In case you don't have a Plugins folder you can create one and place your files there.
  5. Restart Firefox
  6. Enjoy your flash websites!

Apr 30, 2011 | Microsoft Internet Explorer 8

2 Answers

Need to download firefox to disk to put into my other desktop

On the webpage for Firefox ( click on the "upgrade your firefox" link (I assume you are using firefox from your first computer). You should get an option to save the file "Firefox Setup 3.5.6.exe". Choose a folder (default is the desktop). Once downloaded the file is either on the desktop or in the folder you specified. Copy the file to a USB stick or CDrom to take to your other desktop.

Hope this helps

Jan 02, 2010 | Mozilla Firefox

1 Answer

Temp directory not working with firefox

Possibly you have some kind of malware. Download malwarebytes' anti-malware and scan your computer to get rid of any such malware.,php

If still no luck, then re-install firefox to another folder, say firefoxnew or some new name. This should work.


Jan 18, 2009 | Computers & Internet

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