Each time I install firefox it also installs Amicmebisalo which accesses known malicious web sites that get blocked by Malwarebytes. Why?

Amicmebisalo gets loaded as a startup program. Is the install compromised or is that program supposed to load?

dwfllr, Or the more logical possibility is something else is installing it.
If you claim was true then there would be other threads around about this and Mozilla would have perhaps pulled 33.0.2 for Windows or something.
This thread is the only thread to show up in searching for Amicmebisalo on this forum in Advanced Search. No results for Amicmebisalo on the independent mozillaZine forums also.
I uploaded the en-US Firefox Setup 33.0.2.exe to Virustotal and it was clean at 0/52 in reanalysis https://www.virustotal.com/en/file/7e8bdaa597f43c7d1be3edb74551b49ee7bb5b5ec7ff534a5507a757cfb9060d/analysis/1415155455/

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Can't access a school web site that I've used for years-can't log in with user and password. All other bookmarks are fine-tried several things including re-install-Other browsers are O.K.

I have an iMac-have used Firefox exclusively for years. I can't access a school web site-can't get past the log in with user ID and password. Screen stays at log in screen. Tried clearing history-tried uninstall and re-install. All other web sites/bookmarks work fine. Thanks in advance.

Try clearing the cache and deleting cookies for the site, this can sometimes resolve problems accessing sites that used to work. See [[how to clear the cache]] and [[deleting cookies]] for details.

I have tried several times to install Firefox. It simply does not function. I have used it many times before Windows 7. Any suggestions?

I have tried many times to install Firefox. It installs but will not connect to the internet. I have I.E. Opera and Chrome in use so it's not my connection. I have used Firefox many times in the past, why is it not working currently. I have Windows 7 as an operating system and running Norton 360.

https://discussions.apple.com/docs/DOC-6131

How can I block bogus web site that keeps trying to update firefox? Need to identify bogus site too.

How can I block bogus web site that keeps trying to update firefox? Need to identify bogus site too.

hello, this is a scam tactic that is trying to trick you into installing malware, so don't download or execute this kind of stuff - updates are handled automatically by firefox so you don't have to download anything (you can always initiate a manual check for updates in ''firefox > help > about firefox'').
you might also want to run a full scan of your system with the security software already in place and different tools like the [http://www.malwarebytes.org/products/malwarebytes_free free version of malwarebytes], [http://www.bleepingcomputer.com/download/adwcleaner/ adwcleaner] & [http://www.kaspersky.com/security-scan kaspersky security scan] in order to make sure that there isn't already some sort of malware active on your system that triggers these false alerts.
[[Troubleshoot Firefox issues caused by malware]]
you could also help by pressing F10 & going to ''help > report web forgery'' while you're on this dubious page - this might get the page into the list of malicious sites that get blocked in firefox (the actual list is maintained by google) or when such pages use the firefox logos or trademarks to trick users into downloading malware you could also file it at https://www.mozilla.org/en-US/legal/fraud-report/.

My yahoo toolbar add in disappears each time I open firefox, requiring me to install the tool bar with each session. Would you know what might be causing this?

I have always used the yahoo toolbar to store my bookmarks. I recently had my computer serviced for an network problem I was experiencing, and since its return to to I have found that I must install the yahoo toolbar each time I open firefox. The toolbar does not stay for subsequent sessions like it had in the past. Is there a setting or problem that may be causing this?

You can check for recently installed suspicious or unknown extensions.
Start Firefox in [[Safe Mode|Safe Mode]] to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.
*Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance
*Do NOT click the Reset button on the Safe Mode start window
*https://support.mozilla.org/kb/Safe+Mode
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes

HT201272 I recently upgraded from an Iphone 4S to 5. I am having trouble with magicjack; each time i install it it gives me an error message "The installation associated with this device is invalid". Cannot seem to access account info or make calls.

I recently upgraded from an Iphone 4S to 5. I am having trouble with magicjack; each time i install it it gives me an error message "The installation associated with this device is invalid". Cannot seem to access account info or make calls.

I have exactly the same trouble.
If you wet the answer, please let me know!!

I have a new macbook pro and just installed latest firefox. The problems is i can't seem to disable the tabs from appearing each time i restart firefox. I did uncheck every box in the peferences tab menu, still can't stop the tabs from appearing.

New Macbook pro with lion
Firefox 10.0

Hi dcast01,
Are you saying that it restores your old tabs when you restart? Have you looked at ''Preferences > General'' to see if Firefox is set to restore your tabs from the last session? You should change it to ''When Firefox Starts: Show my home page''.
Or is your issue that you keep seeing the tab that says "welcome to firefox" when you start the browser? If that's the case, you should look at [https://support.mozilla.com/kb/Firefox+has+just+updated+tab+shows+each+time+you+start+Firefox this article about that specific issue] and the article [http://kb.mozillazine.org/Preferences_not_saved Preferences not saved]. These should give you all the information you need!
If that doesn't work:
# Type about:config in the address bar
# Click ''I'll be careful, I promise'' if prompted
# In the Filter input field type ''startup''
# Double click on startup.homepage_override_url
# Delete the text string and click ''OK''
# Close Firefox and reopen the window to verify that it has worked.
Hopefully this helps!

Welcome tab present each time I start Firefox, my homepage is opened in separate window. How do I make it stop?

Welcome page opens each time I start Firefox, my homepage opens in separate window. I uninstalled Firefox and reinstalled and it continues to happen. Homepage is set to google and is present when I go to the general tab.

See: [https://support.mozilla.com/en-US/kb/Firefox%20has%20just%20updated%20tab%20shows%20each%20time%20you%20start%20Firefox Firefox has just updated tab shows each time you start Firefox]
Also see:
*[http://kb.mozillazine.org/Preferences_not_saved Preferences not saved (Mozillazine article)]
*[https://support.mozilla.com/en-US/kb/Preferences%20are%20not%20saved Preferences are not saved]
*[https://support.mozilla.com/en-US/kb/How%20to%20set%20the%20home%20page How to set the home page]
**Firefox supports multiple home pages separated by '|' keyboard symbol(s)
 
 
'''You need to update the following.''' The Plugin version(s) shown below was/were submitted with your question and is/are out of date. You should update to avoid known security issues with the version(s) you have installed. Click on "More system info..." to the right of your question to see what was included with your question.
*Adobe Shockwave for Director Netscape plug-in, version 11.5.9.615
*Adobe PDF Plug-In For Firefox and Netscape "9.4.4"
#'''''Check your plugin versions''''' on either of the following links':
#*http://www.mozilla.com/en-US/plugincheck/
#*https://www-trunk.stage.mozilla.com/en-US/plugincheck/
#*'''Note: plugin check page does not have information on all plugin versions'''
#*There are plugin specific testing links available from this page:
#**http://kb.mozillazine.org/Testing_plugins
#'''Update Shockwave for Director'''
#*NOTE: this is not the same as Shockwave Flash; this installs the Shockwave Player.
#*Use Firefox to download and SAVE the installer to your hard drive from the link in the article below (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.
#*Restart Firefox and check your plugins again.
#*'''Download link and more information''': http://support.mozilla.com/en-US/kb/Using+the+Shockwave+plugin+with+Firefox
#'''Update Adobe Reader (PDF plugin):'''
#*From within your existing Adobe Reader ('''if you have it already installed'''):
#**Open the Adobe Reader program from your Programs list
#**Click Help > Check for Updates
#**Follow the prompts for updating
#**If this method works for you, skip the "Download complete installer" section below and proceed to "After the installation" below
#*Download complete installer ('''if you do NOT have Adobe Reader installed'''):
#**SAVE the installer to your hard drive (save to your Desktop so that you can find it after the download). Exit/Close Firefox. Run the installer you just downloaded.
#**Use either of the links below:
#***https://support.mozilla.com/en-US/kb/Using+the+Adobe+Reader+plugin+with+Firefox ''(click on "Installing and updating Adobe Reader")''
#***''Also see Download link''': http://get.adobe.com/reader/otherversions/
#*After the installation, start Firefox and check your version again.

I get a message asking me if I want to change my default search engine to Yahoo! Search each time I open Firefox. How do I disable this annoying message?

For the past few days, each time I open Firefox on my home computer, a popup message is briefly displayed: "Your browser's default search engine is not set to Yahoo! Search. Would you like to set it now? (Yes/No)". After perhaps 15 seconds at most, the popup disappears and my home page appears as normal. I have the Yahoo! Toolbar installed, and Yahoo! Search is the search engine there; however, the search box on the address bar (which allows me to select from several search engines) is normally set to Google. The search engine in the address bar hasn't actually been changed to Yahoo! Search without my consent yet -- I'm just annoyed at getting nagged to change search engines every time I open Firefox. How do I get the "nag" messages to shut up & leave me alone?
I would also note that this is only happening on my home computer (which runs Windows 7), not on my work computer (which runs Windows XP, and which I also normally use Firefox as my browser on, with the same Yahoo! Toolbar + Google search in the address bar setup).
I have run Threat Scans with Malwarebytes (paid version) and a Quick Scan with Avast! (free version), and neither has eliminated this "nag" message from Yahoo! Search.

You can check for recently installed suspicious or unknown extensions.
Start Firefox in [[Safe Mode|Safe Mode]] to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.
*Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance
*Do NOT click the Reset button on the Safe Mode start window
*https://support.mozilla.org/kb/Safe+Mode
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes

Since upgrade to fireox 25 each time I open firefox a see briefly the following message "Reverted Change.....on general useragent override." what does this mean

Hi all, since upgrading to Firefox 25 each time I boot Firefox I see briefly the following in a small window whilst it is opening. "Reverted change ..... on general useragent override." What does this mean and if it is a problem how is it rectified? I see the same message on Windows 7 64 bit and 2 LInux Distros.
Thanks for any explanation.

This message is probably coming from the User Agent Switcher extension that detects that you have a user agent override active as you can see in the System Details List.
*general.useragent.override: Mozilla/5.0 (masking-agent; rv:25.0) Gecko/20100101 Firefox/25.0
See also:
*https://support.mozilla.org/kb/websites-say-firefox-outdated-or-incompatible

When I try to set my homepage to a specific website, firefox will not store permanently. I have to reset home page each time I open firefox. are there additional instructions in help to address this?

Each time I open firefox, it doesn't open to my previously set website (Yahoo). I have to reset the homepage each time I open firefox despite following the help menu method. I'm not able to locate a possible cause/solution on the help menu. pls advise

Please do the following. 
* In the location bar, type '''about:config''' and hit Enter. 
* In the filter at the top, type: '''keyword.URL''' 
* Double click it and remove whatever's in there and replace it with http://search.yahoo.com/search?p= 
The URL to add in "keyword.URL" becomes a link in this post, so right click it and choose "''Copy Link Location''" to copy it to the Windows clipboard. Then hit CTRL+V to paste it. Saves you having to type the whole thing.
'''To reset your home page, do the following'''. 
* Go to the site you want to set as your homepage. 
* Click the orange Firefox button and go to '''Options '''| '''Options '''| '''General'''. 
* Make sure it says "''Show My Homepage''" in the first dropdown menu. 
* Click the button called "'''Use Current Pages'''" to set the homepage to the one you have on the screen. 
After you complete the above steps, install this add-on to prevent another search engine from modifying your preferences: https://addons.mozilla.org/en-US/firefox/addon/browserprotect/

Using xp#8 EACH time I open Firefox 13.0.1 it runs a compatibility ad-on check AND opens the "what's new?" page

my settings, show my home page, tried the other open blank page
home page is about:blank

See these articles for some suggestions:
*https://support.mozilla.org/kb/Firefox+has+just+updated+tab+shows+each+time+you+start+Firefox
*https://support.mozilla.org/kb/How+to+set+the+home+page - Firefox supports multiple home pages separated by '|' symbols
*http://kb.mozillazine.org/Preferences_not_saved
It is possible that there is a problem with the file(s) that store the extensions registry.
Delete the files extensions.* (e.g. extensions.sqlite, extensions.ini, extensions.cache) and compatibility.ini in the Firefox profile folder to reset the extensions registry.
*https://support.mozilla.org/kb/Profiles
New files will be created when required.
See "Corrupt extension files":
*http://kb.mozillazine.org/Unable_to_install_themes_or_extensions
*https://support.mozilla.org/kb/Unable+to+install+add-ons
If you see disabled, not compatible, extensions in "Tools > Add-ons > Extensions" then click the Tools button at the left side of the Search Bar (or click the "Find Updates" button in older Firefox versions) to check if there is a compatibility update available.

My homepage reverts to something I don't want each time I restart Firefox

I downloaded imesh as I was trying to find backing music for a song - it didn't have to piece I required. When I downloaded it - imesh became my homepage. I keep on changing my homepage to what I actually want it to be but it reverts to imesh each time I restart Firefox. I have uninstalled imesh from my computer and it still does it. How do stop it from doing this?

-> Tap '''ALT''' key or press '''F10''' to show the Menu Bar
-> go to Help Menu -> select '''Restart with Add-ons Disabled'''
Firefox will close then it will open up with just basic Firefox. Now do this:
-> go to View Menu -> Toolbars -> unselect All Unwanted/Incompatible Toolbars
-> go to Tools Menu -> Clear Recent History -> '''Time range to clear: select "EVERYTHING"''' -> click Details (small arrow) button -> place Checkmarks on '''Cookies, Cache''' -> click '''Clear Now'''
-> go to Tools Menu -> Options -> General -> in '''Startup''' section click '''Reset to Default''' button
-> go to Tools Menu -> Options -> Content -> place Checkmarks on:
1) Block Pop-up windows 2) Load images automatically 3) Enable JavaScript
-> go to Tools Menu -> Options -> Privacy -> History section -> '''Firefox will: select "Remember History"'''
-> go to Tools Menu -> Options -> Security -> place Checkmarks on:
1) Warn me when sites try to install add-ons 2) Block reported attack sites 3) Block reported web forgeries
-> go to Tools Menu -> Options -> Advanced -> Network -> Offline Storage (Cache): click '''Clear Now''' button
-> Click OK on Options window
-> click the Favicon on SearchBar -> click '''Manage Search Engines''' -> select all Unwanted Search Engines and click '''Remove''' -> click OK
-> go to Tools Menu -> Add-ons -> Extensions section -> REMOVE All Unwanted/Suspicious/Incompatible Extensions (Add-ons)
-> go to Tools Menu -> Add-ons -> Appearance section -> REMOVE All Unwanted/Suspicious/Incompatible Themes (Persona)
-> Restart Firefox
You can enable your Known & Trustworthy Add-ons and Themes later. Check and tell if its working.

How do I set the screen zoom, so that it doesnt change each time I open Firefox. Because I see the webpages in smaller print, and I want them larger , without having to re zoom each time I open Firefox.

I need to know how to set the zoom option under "View" Tab, shere I dont have to re zoom each time I open Firefox. I have a wide screen monitor and generally, when viewing webpages, the web content on any page is confined to center of the page, and I was wondering if there was anyway to permanently set the zoom preferences without having to change them each time i open a webpage.
IE 8 and 9 has a feature to set the magnification and i set mine to 150% which works perfectly for me. I wonder if Firefox has a similar feature.

TonyE
Thanks a lot. I downloaded the Default FullZoom Level add-on. My problem is now a history. thanks a million

Each time I start Firefox it says: "URGENT! Your version of Firefox is no longer protected against online attacks. Get the upgrade - it's fast and free!" I am using ver. 3.6.13 and upgrading "successfully" only stays on 3.6.13 with same URGENT message.

Each time I start Firefox it says:
"URGENT! Your version of Firefox is no longer protected against online attacks. Get the upgrade - it’s fast and free!"
I am using ver. 3.6.13 and upgrading "successfully" only stays on 3.6.13 with same URGENT message.

Your UserAgent string in Firefox is messed up and needs to be reset. 
[http://en.wikipedia.org/wiki/User_Agent]
type '''about:config''' in the URL bar and hit Enter 
''If you see the warning, you can confirm that you want to access that page.'' 
Filter ='''general.useragent.''' 
Right-click the preferences that are '''bold''', one line at a time, and select ''' ''Reset'' ''', 
Then restart Firefox

Each time I install firefox it also installs Amicmebisalo which accesses known malicious web sites that get blocked by Malwarebytes. Why?

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