How can I prevent Firefox from opening a second instance of Excel when I click on a web link to a .csv file?

I can't find anything about this online

The CSV files are send as Content-Type: text/comma-separated-values
Do you mean that you also see the file in a Firefox tab or do you get two Excel instances?
You can try to rename (or delete) the mimeTypes.rdf file in the Firefox profile folder to reset all file actions.
*http://kb.mozillazine.org/mimeTypes.rdf
*http://kb.mozillazine.org/File_types_and_download_actions#Resetting_download_actions
You can use this button to go to the currently used Firefox profile folder:
*Help > Troubleshooting Information > Profile Directory: Show Folder (Linux: Open Directory; Mac: Show in Finder)

Similar Messages

If I have a pinned homepage; How can I keep Firefox from opening a second tab. None of the answers on this site help at all

I have a local html file on my system that I use as a homepage in Firefox. This homepage has a list of links that I regularly use. I have this file homepage pinned in Firefox. Every time I open Firefox not only do I get my pinned homepage, I get another tab with the firefox homepage opened and focused on.
All I want to load when I open Firefox is my chosen homepage. That is it. How do I stop this second tab from opening?
None of the older questions and answers on this site seem to work. Why is this so hard. It works in Google Chrome out of the box but I'm migrating away from Chrome because Google decided to break my extensions without my permission by not allowing third party extensions to be loaded, only ones listed in their store.

I do not see why it should not work for you. I have just tried doing that and it works for me.
First of all double check what is shown on your list of home pages. Firefox may be set to open more than one home page,each one as a separate tab. The listing separates the tabs with a pipe symbol | (Often the key above the Ctrl key)
* See [[How to set the home page]]
Another possibility is that you have set Firefox to restart with the tabs from the previous setting.
(Full troubleshooting information not submitted)

How can I prevent Firefox from opening the file I create when I print a page with PDF Create! 5

After I print a web page using PDF Create! 5, Firefox opens the file so i can view it. Before I print, I select print properties and disable "view resulting pdf". However, the file is always opened in Adobe Acrobat, although I believe I have Adobe Reader set as default. I do not want any file to open. This happens on my non-privileged accounts. On my privileged account, the file is not opened. I have removed Firefox profiles, re-installed Firefox, Reset Firefox in Help-Troubleshooting. PDF Create!5 print screen can only be viewed in a host program such as Firefox, Libre-office Writer, or any other program that prints. They do not open the file either.

Thanks for your help. This is the Scansoft (Nuance) program. What I do not understand is why when I tell the print driver not to open the file with a privileged account, it obeys me. I am not sure where in the registry I would look for the information. I do not want to, but perhaps I should remove the Adobe Acrobat program (temporarily?) - then what would it do? Again, when I print from other programs - browsers, wordprocessors, etc - the file is not opened after printing, just with FireFox. I guess I can live with it, I have spent too much time already.

How can I prevent Firefox from cleaning my clipboard at exit (exit or closing firefox) ?

How can I prevent Firefox from cleaning my clipboard at exit (exit or closing firefox) ?
I am using FF 9.0.1 and the problem start from FF 5.0

You can't prevent that. 
If you've placed data on the clipboard in Firefox then you need to paste that data in the other program, if that is your intention, before closing Firefox.

How can I prevent Firefox from re-installing test pilot?

I had removed the test pilot extension and its feedback button in Firefox 4.0b9. I let Firefox upgrade itself to 4.0b10 and didn't notice that silently re-installed it.
I was typing in another application when suddenly that window was minimized and the focus shifted to a Firefox "new test pilot study" window that popped up. Even if I had given permission for that software to be installed, that is rude.
I am not willing to trust that if I disable this logging software that it will stay disabled the next time I upgrade. I will remove test pilot again. '''How can I prevent Firefox from re-installing it?'''
One way might be to set extensions.rdf read-only. However, I do not wish to lose the ability to install add-ons, I merely do not want anybody (including Mozilla) to install an add-on without my permission.
https://bugzilla.mozilla.org/show_bug.cgi?id=519357 doesn't seem to address this problem as test pilot is a known component. Its not a plug-in so I can't modify the plugin scanning settings to prevent it from being loaded. Is there some way I can reliably supplement http://www.mozilla.com/en-US/blocklist/ with a local block list file? If so, would I have to update that whenever a new version of test Pilot is released?
http://support.mozilla.com/en-US/kb/Add-ons%20blocklist

I'm not sure what you mean by "re-directs e-mails." Are the recipient addresses changing between the time you address the message and the time it is sent?
If you could provide more information I think that would help in tracking this down.
When you use Firefox to work with your webmail site, whether Yahoo! or Gmail or another, the mechanics of sending the mail are handled by the site itself. So if there is a problem with how messages are addressed, then you may need to check your Yahoo! mail settings.

How can i prevent iphoto from opening when i plug in my iphone to the computer?

Hi There,
I have a question, when I connect my iPhone to the computer the iPhoto automatically opens.
how can i prevent this from happening? it always slows down my computer.
any help will be appreciated.
thanks

Image Capture (in your Applications Folder) - In the preferences you can decide to 'Do Nothing' when a camera is connected.
Some versions also have this option in the iPhoto Preferences.
Regards
TD

How can I stop Firefox from opening pdfs in Google Docs?

Whenever I want to look at or download a webspage which is a Microsoft Word or a pdf document, I am automatically sent to Google Docs to view it. Mayvbe bexcauuse of my satellite connection, I cthen have huge problems in downloading these webpages. How can I disconnect Firefox from automatically opening these pages in Google Docs?

Thanks for the suggestion. Unfortunately, these settings are exactly the same on my troublesome PC as they are on my laptop which does not have this problem. The PC is Windows 7, and laptop is XP. I have in the past used the PC to access google documents.

How can I prevent Firefox from checking whether Adobe Flash is up to date?

I just updated Flash a week ago and already Firefox is prompting me to replace the update with the message "Firefox has prevented the outdated plugin Adobe Flash from running on" (etc.) How can I prevent Firefox (I'm using version 35.0.1) from running this check forever?

"Add-ons" is a mis-leading term, regarding what appears in the Add-ons Manager tab. "Addons" includes Extensions, Search Engines, Themes (Appearance), User Scripts, Styles, and Services - all of which the "Updates" can be controlled by Firefox preferences. "Plugins" are shown in the AOM too, but unlike the others, Firefox has no control over updates for Plugins. As James mentioned, Plugins aren't installed within Firefox as the other categories of "Add-Ons" are - and updates are controlled by the application that installed the Plugin that Firefox uses from each application's own set of folders or wherever in Windows files the Plugin is placed by the installer.
IMO, the biggest problem with Flash is that it is set by default to only look for an update once a month. So when Adobe updates Flash multiple times a month (3 "updates" in January alone) the Flash updater can'r catch each update as it occurs, or even within an acceptable "window of time". A user might "fall behind" as many as 3 new version releases quite easily.
As far as clicking to "Allow" each video when you're behind a version or two with Flash, at least Mozilla does a "soft block" and permits you to "Allow" - a "hard block" would make it impossible to use Flash at all. And "yes". Mozilla ''can do" a "hard block" when necessary.
In conclusion, Flash is a dying technology, which deserves to be buried. It is too "exploitable" by the "bad guys". All the recent "updates" are for security patches for fixing "holes" in Flash and stability fixes to an old application that "has seen better days" (like 10 years ago).
HTML5 Video looks like the future. Use it where you can, like at YouTube which gives you a choice for many videos they host - but you you need to enable that feature in Google preferences or all you're liable got get is Flash videos. With other websites, their users need to tell them that they want HTML5 videos only.

How can I stop Firefox from opening (to "File Not Found") when opening my Opera browser?

Ever since I installed Opera 10.61 on my new computer (Windows 7 Ultimate operating system), whenever I open Opera, Firefox opens one second later with the following error message:
'''File not found '''
Firefox can't find the file at /C:/Users/Nasheed/AppData/Local/Opera/Opera/temporary_downloads/client-en.xml.
* Check the file name for capitalization or other typing errors.
* Check to see if the file was moved, renamed or deleted.
TRY AGAIN.
<nowiki>****************************************************</nowiki> 
This happens EVERY TIME I OPEN THE OPERA BROWSER. How can I stop this from happening? I'm stumped.
[EXTRA INFO - I was unable to enable Firefox to access my previous profile on the new computer (despite putting the old profile in the appropriate Mozilla Firefox folder. So, there are now two profiles in that location.
After reading the answer to another forum member's question, I attempted to resolve the problem using Profile Manager, but I was unable to locate the Profile Manager. The Windows "Search" feature is not enabled on my new computer (nor can it be enabled from the Customize Start Menu options).]

Thank you for your response, Cor-el.
I had Opera set as my default browser since this began happening. I changed my default browser back to Firefox mainly because having Firefox open one or two seconds every time I open Opera was/is such a nuisance.
I believe this problem began because I attempted to manually transfer the files from my old computer to the new one (via the backed up files in my external drive). I was unfamiliar with Windows 7 when I did this. Microsoft changed the file set up from what I had been used to in Windows XP. I used XP for six years before being exposed to Windows 7 (I never had Vista).
I'm almost sure this problem has something to do with where I placed the application data when I was trying to reestablish the program set up on the new computer.

How can I prevent Firefox from being on top of Thunderbird?

For example, Tbird is open and on top of Firefox, which is open. I click to Forward a message, then address it. Then click to Send. The Forward screen closes and instead of going back to the Tbird messages screen, it goes back to Firefox. How can I stop this from happening?

There has been a change in where Firefox searches for plugins and the plugins folder in the Firefox program folder is no longer scanned for plugins, so Firefox won't find them anymore if they are installed in the plugins folder instead of the "browser\plugins" folder that Firefox now scans.
You can set the plugins.load_appdir_plugins pref to true on the about:config page to make Firefox scan the "<install>/plugins/" directory for plugins like the WMP plugin (np-mswmp.dll).
You can alternatively move plugins from "<install directory>\plugins\" to "<install directory>\browser\plugins\" (create this folder when missing) to make Firefox find them again.
*http://www.ghacks.net/2013/05/15/why-you-may-have-lost-access-to-plugins-or-extensions-in-firefox-21/
*http://mike.kaply.com/2013/04/24/major-changes-coming-in-firefox-21/
*https://support.mozilla.org/kb/windows-media-or-other-plugins-stopped-working

How can I prevent Firefox from automatically updating?

Hello,
I am trying to prevent Firefox 28 from automatically updating to Firefox 29 (on OSX 10.7.5).
I have the option "Never check for updates" checked under 'Update' in the 'Advanced' Preferences. I have "Automatically update Search Engines" unchecked. I have uninstalled Firefox 29 completely using two separate uninstall clean-up kits and emptied the trash before re-installing Firefox 28... Yet every time I finally re-arrange, customize and re-sync Firefox 28 back to the way I like it, I restart my Mac and Firefox 29 rears it's over-drawn, bubbly, space-wasting, UN-SYNCED, ridiculous tabs on top nonsense user interface.
I've tried to work with Firefox 29 but the new SYNC simply does not work and that's a deal breaker. I need the changes I make on my mac to be reflected across the other two systems on my desk (one WinXP, one Win7) and vice versa. When I try to sync on FF29 it takes me to a page to log in and then refuses to recognize my email and password (which I have thoroughly confirmed on my other systems as correct).
Can you please help me prevent Firefox 28 from automatically updating to Firefox 29?

Thank you for your comments, cor-el.
Yes, I know about Classic Theme Restorer, but the point is what gives Mozilla the right to update my Firefox when I already have quite clearly set every option to prevent automatic updates?
I have set:
app.update.auto - false
app.update.enabled - false
app.update.silent - false
So which secret magic setting has Mozilla used to bypass all these settings and what gives them the right to do it?
Also, moving the tabs bar and menu bar and whatever else has been moved in Firefox 29 is a THEME change. It is not a security fix. Mozilla should not be in the business of changing the theme or look of Firefox. It is not their business how I want my Firefox to look.
Regarding "tabs", I have mine down the left side, so this tweaking of the tab bar position is pointless anyway.
To Mozilla, Just for absolute clarification, there is no way you can possibly justify forcing an update on users computers without their explicit acceptance.
What if someone found out how Mozilla forced the update? They could then force an update that is NOT a genuine Firefox release and do untold damage to peoples' computers.
So now I am forced to delete Firefox from my startup script and start it manually just in case their is another forced update that I can stop.
To cor-el, thank you for your post.
To Mozilla, you have lost the plot.

How can I prevent Firefox from ever automatically updating without my say so. It just did, and DESTROYED all bookmarks. I'm BUMMED about that

There were NO .json files saved anywhere in the 'puter. I need to be reliably OPTED OUT of automatic updating unless the auto destruction forces warn me aforehand to backup my cookies, bookmarks, email and etc. When I now click on Help, I get an automatic start of "downloading Firefox 3.6.6" WHAT KIND OF HELP IS THAT?

Your bookmarkbackups folder is your Profile folder which is normally a folder hidden by Windows.
See:
https://support.mozilla.com/en-US/kb/Lost+Bookmarks#Restoring_bookmark_backups
http://support.mozilla.com/en-US/kb/Profiles#How_to_find_your_profile
http://kb.mozillazine.org/Show_hidden_files_and_folders
Everything indicates that you have Firefox 3.6.3; the current version is Firefox 3.6.6. To check your version at any time, click Help > About Mozilla Firefox.
You can manually check for updates by clicking Help > Check for Updates.
To change your options on Automatic Updates for Firefox: Tools > Options > Advanced > Update
See: http://support.mozilla.com/en-US/kb/Options+window+-+Advanced+panel#Update_tab
I use the "Ask me what I want to do" option. It will still check, but ask you if you want to update '''IF''' you leave the check mark next to Firefox. Un-check Firefox and you run the risk of missing important security updates. With Firefox checked, it should check for updates, by default, once per day.
'''''Other Issues''''': ~~red:You have installed plug-ins with known security issues. You should update them immediately.~~
'''Update Java''': your ver. 1.6.0.17; current ver. 1.6.0.20 (important security update 04-15-2010)
(Firefox 3.6 and above requires Java 1.6.0.10 and above; see: http://support.mozilla.com/en-US/kb/Java-related+issues#Java_does_not_work_in_Firefox_3_6 )
''(Windows users: Do the manual update; very easy.)''
~~red:Check your version here~~: http://www.mozilla.com/en-US/plugincheck/
See: '''[http://support.mozilla.com/en-US/kb/Using+the+Java+plugin+with+Firefox#Updates Updating Java]'''
Do the update with Firefox closed.
'''Update Shockwave for Director''': your ver. 10.1 (~~red:very old~~); current ver. 11.5.7.609 (important security update released 2010-05-11; see http://www.adobe.com/support/security/bulletins/apsb10-12.html)
NOTE: this is not the same as Shockwave Flash; this installs the Shockwave Player.
~~red:Check your version here~~: http://www.mozilla.com/en-US/plugincheck/
SAVE the installer to your hard drive (Desktop is a good place so you can find it). When the download is complete, exit Firefox (File > Exit), locate and double-click in the installer you just downloaded, let the install complete.
IMPORTANT: I have found it wise to always restart your system after doing anything with Adobe products.
See: '''[http://support.mozilla.com/en-US/kb/Using+the+Shockwave+plugin+with+Firefox#_Installing_Shockwave Installing Shockwave]'''
'''You''' ~~red:'''MAY'''~~ '''need to Update Adobe Reader for Firefox''': your ver. N/A; current ver. 9.3.2
~~red:Check your version here~~: http://www.mozilla.com/en-US/plugincheck/
See: http://support.mozilla.com/en-US/kb/Using+the+Adobe+Reader+plugin+with+Firefox#Installing_and_updating_Adobe_Reader
''You may be able to update from the Adobe Reader installed on your system'' instead of going to the Adobe site and downloading. Start > Program Files, find and click Adobe Reader to open, click Help, click Check for Updates.
''If you go to the Adobe site to download the current Adobe Reader:''
-'''use Firefox to download''' and '''SAVE to your hard drive''' (save to Desktop for easy access)
~~red:-See the images at the bottom left of this post to see the steps to take on the Adobe site~~
-exit Firefox (File > Exit)
-check to see that Firefox is completely closed (''Ctrl+Alt+Del, choose Task Manager, click Processes tab, if "firefox.exe" is on the list, right-click "firefox.exe" and choose End process, close the Task Manager window'')
-double-click on the Adobe Reader installer you just downloaded to install/update Adobe Reader
*'''NOTE: On Vista and Windows 7''' you may need to run the plugin installer as Administrator by starting the installer via the right-click context menu if you do not get an UAC prompt to ask for permission to continue (i.e nothing seems to happen). See this: http://vistasupport.mvps.org/run_as_administrator.htm
*'''NOTE for IE:''' Firefox and most other browsers use a Plugin. IE uses an ActiveX version. To install/update the IE ActiveX version, same instructions as above, except use IE to download the ActiveX installer.
*Also see: http://kb.mozillazine.org/Adobe_Reader ~~red:'''''AND'''''~~ [[How do I edit options to add Adobe to the list of allowed sites]]

How can I prevent firefox from displaying an overall black page after I request a topic search in the google/firefox search box? Not able to see results

I loaded Mozilla v31 on my PC laptop which uses Windows XP operating system with all current updates. When I click on my internet icon, it leads me to the Mozilla page with a Google search bar. Once I type a topic in and click for the search to begin, the Firefox page turns all black and I am not able to see any results or action being taken. I click on the back arrow and enter a new topic, and click on search button, it repeats the same behavior and the Firefox page turns black. Essentially Mozilla Firefox is not a usable browser unless I can fix it. Help!

When this happens, has the address bar changed to a google.com address or is it still blank?
Some graphical glitches are caused by an incompatibility between Firefox and your graphics card drivers. The standard workaround for bypassing this is to disable Firefox from using hardware acceleration. You can make that change here:
"3-bar" menu button (or Tools menu) > Options > Advanced
On the "General" mini-tab, uncheck the box for "Use hardware acceleration when available"
That will take effect the next time you exit Firefox and start it up again.
More generally:
When you have a problem with one particular site, a good "first thing to try" is clearing your Firefox cache and deleting your saved cookies for the site.
(1) Bypass Firefox's Cache
Use Ctrl+Shift+r to reload the page fresh from the server.
Alternately, you also can clear Firefox's cache completely using:
"3-bar" menu button (or Tools menu) > Options > Advanced
On the Network mini-tab > Cached Web Content : "Clear Now"
If you have a large hard drive, this might take a few minutes.
(2) Remove the site's cookies (save any pending work first). While viewing a page on the site, try either:
* right-click and choose View Page Info > Security > "View Cookies"
* (menu bar) Tools > Page Info > Security > "View Cookies"
In the dialog that opens, you can remove the site's cookies individually.
Then try reloading the page. Does that help?

How can I prevent Firefox from closing when it crashes?

So, I'm using a Windows 8 computer, & when it crashes, it closes altogether & it's really annoying having to reload my session, but when I was using a Windows 7 computer, Firefox hardly ever closed altogether when it crashed- all it did was freeze. Is there some way to only have it freeze instead of closing altogether? I hope you understand what I'm saying. Thanks.

If only, if only! :)
No, there isn't a way you can choose what Firefox does when it crashes. It crashes for a reason. But we can see what's causing those crashes.
Can you give me your crash reports?
#Enter ''about:crashes'' in the Firefox address bar and press Enter. A Submitted Crash Reports list will appear, similar to the one shown below.
#Copy the '''5''' most recent Report IDs that start with '''bp-''' and paste them into your response here.
Your System Details looks very light/empty. Can you start by giving us the troubleshooting information from the Firefox installation that's having problems. This is an essential step in troubleshooting. 
*Click the Firefox button at the top left, then click the ''Help'' menu and select ''Troubleshooting Information'' from the sub-menu. If you don't have a Firefox button, click the Help menu at the top and select ''Troubleshooting Information'' from the menu.
Now, a new tab containing your troubleshooting information should open.
*At the top of the page, you should see a button that says "Copy text to clipboard". Click it.
*Now, go back to your forum post and click inside the reply box. Press Ctrl+V to paste all the information you copied into the forum post.

How can I stop firefox from opening mulitiple tabs from past sessions everytime I start Firefox?

When I start Firefox from my task bar (windows 8) Firefox opens tabs from the previous secession. I'm using Yahoo as my home page.

You can check if you have a user.js file in the Firefox profile folder that sets the browser.sessionstore.resume_session_once pref to true.
*http://kb.mozillazine.org/browser.sessionstore.resume_session_once
*http://kb.mozillazine.org/Preferences_not_saved

How can I prevent Firefox from opening a second instance of Excel when I click on a web link to a .csv file?

Similar Messages

Maybe you are looking for