"The update could not be installed" message

Every time I start Firefox I get a dialog box with this message:
The update could not be installed. Please make sure that there are no other copies of Firefox running on your computer and then restart Firefox to try again. [OK button]
I click the OK button, the box disappears, then Firefox starts up.
It's annoying. I have tried updating Firefox in the Admin account on this computer, but even that has not worked. Why might this be happening, and what can I do about it?
PS I don't do online forums, if you are a "Firefox expert" answering thsi question, by all means post the reply on the forum, but please also email it to me at my registration address. Thanks.

So this is rapid updating? I had to stop using V5 because of problems. V5.01 did improve things. FF was still my default browser so I did get to follow the upgrade to V6. Now the suggestion that completely removing it and editing the registry will enable me to see if V6 is worth having. Please, this is not rapid. This is the kind of problem that stopped me using Norton, having to deal with more issues that actually using the software.
No doubt I will attempt this sometime, by then though I may have just got used to Chrome [yuk]. It is not a good sign that being more news worthy is better than having a working product. I'm a web and app developer and it has served me well until V4 now it is just getting in the way and Mozilla seem to think that just one more rapid release [with problems like this] may just solve the problems.
I think not after all I'm still waiting for MS to fix things that should have been better 10 years ago.
I removed my current version. I check that the folders were gone. I reinstalled. I got an error:
Error Platform version '5.01' is not compatible with minVersion >=6.0 maxVersion <=6.0

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An update tries to run, but an error message stating "The update could not be installed. Please make sure there are no other copies of Firefox running on your computer, and then restart Firefox to try again." I can't open Firefox

I click on Firefox and it says that Firefox is installing your updates and will start in a few minutes. Then I get "The update could not be installed. Please make sure there are no other copies of Firefox running on your computer, and then restart Firefox to try again." this cycle never ends. Do I need to deinstall Firefox and re-install? If I do that, do i lose all of my bookmarks, etc?

See http://kb.mozillazine.org/Software_Update (Software Update not working properly)
Remove the files in the updates and updates\0 folder:
*C:\Documents and Settings\<user>\Local Settings\Application Data\Mozilla\Firefox\Mozilla Firefox\updates
*(%USERPROFILE%\Local Settings\Application Data\Mozilla\Firefox\Mozilla Firefox\updates)
*C:\Program Files\Mozilla Firefox\updates
*Do a clean reinstall and download a fresh Firefox copy from http://www.mozilla.com/firefox/all.html and save the file to the desktop.
*Uninstall your current Firefox version and remove the Firefox program folder before installing that copy of the Firefox installer. Do not remove personal data when uninstalling.
*It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.
You can skip the step to create a new profile, that is not necessary for this issue.
See http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall

I am currently running 29.0.1. at each startup Firefox is trying to update but fails with the message "Update Failed.... The update could not be installed.

I have tried running a manual update but I still receive the same error "Update Failed : The update could not be installed. All aspects of FF appear to be working normally.

Some users have reported problems with AVG. Disable it for now.
Go to '''Mozilla.org''' and get the full installer from this link;
'''http://www.mozilla.org/en-US/firefox/all'''

When I click on Firefox it opens with a box that says "Foxfire is installing your updates and will start in a few moments-. " then it says "Software Update Failed (in blue) with an exclamation mark inside a yellow triangle) The update could not be install

When I click on Firefox the first time it says "Foxfire is installing your updates and will start in a few moments…. (with a green bar)" then it says "Software Update Failed (in blue) with an exclamation mark inside a yellow triangle)
The update could not be installed. Please make sure there are no other copies of Firefox running on your computer, and then restart Firefox to try again." When I click the ok, Firefox opens up. If I open another Firefox window with the previous one still running, it doesn't give me any of these messages, it just opens normally.
== This happened ==
Every time Firefox opened

If you can't install on top of the current installation then you need to delete or rename the current Firefox program folder to do a clean install.
It is possible that your security software is using or locking files, so you can try to temporarily disable that software during the installation.

Cannot update Mozilla. It says "The Update could not be installed (patch apply failed)"

When updating Mozilla, I get this message:
"The Update could not be installed (patch apply failed)".
What should be done?

With that one, I'd try updating using a .dmg installer downloaded from the Apple Website:
http://www.apple.com/itunes/download/

Have the lastest version of Firefox: Congrats! You're using the latest version of Firefox. How do I stop the PopUp "The Update could not be installed (patch ap

Every time Firefox starts I get a Pop Up: "The Update could not be installed (patch ap
When I check Firefox for updates I receive this message: Congrats! You’re using the latest version of Firefox.
How do I stop this Pop Up?

Try to run the Firefox program once as Administrator (right-click: Run as Administrator).

The update could not be installed.

Since sometime the update (manual or automatic) fails
when restarting the browser i get this message
The update could not be installed. Please make sure there are no other copies of Firefox running on your computer, and then restart Firefox to try again.
there aren't any other firefox task running (checked with taskmanager)
i tryed to
-do a clean reinstall of firefox
-to remove folders \updated and updates in firefox folder
to start the browser as administrator
to disable antivirus (avira) and firewall (comodo)
but with no help

If updating isn't working then you need to download and install the full version.
If you intend to try out beta or nightly releases then you should be aware of this.<br />
Such issues can happen more often or the browser can stop working entirely (that is usually corrected with a respin).
Maybe it is best to stay with the official Firefox 13 release.
You can find the latest Firefox release in all languages and for all Operating Systems here:
*Firefox 13.0.x: http://www.mozilla.org/en-US/firefox/all.html
*http://www.mozilla.org/en-US/firefox/channel/
*http://nightly.mozilla.org/ Firefox Nightly Builds

"The update could not be installed." What do I do???

I've asked this before, and there doesn't seem anything I can do to get the update feature to perform correctly. I keep getting the message "the update could not be installed." I've removed the program and reinstalled it, tried deleting the update folders and files, all to no avail. This is the last time I'll try to fix it. If I can't get the update to work I'll permanently unistall Firefox and use another browser. This bug hasn't been fixed, and keeps failing with every new update.

I too have this problem again. This is not the proper answer. I have had this problem before and cannot find the proper answer again. The above will work but it is a work around for a problem in a firefox setup file. Sorry to not have the correct answer but the above although probably not wrong, in that it will probably work, is not exactly correct. More later hopefully

"The update could not be installed. Please make sure there are no other copies of Firefox running on your computer, and then restart Firefox to try again"

I'm using Firefox 4 Beta and I tryed install update but I dont got success. Now every time that I go start the browser is displayed the mensage: "The update could not be installed. Please make sure there are no other copies of Firefox running on your computer, and then restart Firefox to try again"
My release is installed not in default drive C:\. I installed in the other Partition on my PC.
I don't have other release installed.

Try a clean re-install.
* Download the setup file from http://www.mozilla.com/en-US/firefox/RC (this is for the Firefox 4 release candidate)
* Uninstall Firefox, do not select the option to "Remove my Firefox personal data"
* Delete the Firefox installation directory - http://kb.mozillazine.org/Installation_directory
* Re-install Firefox
This process does not remove the Firefox user data such as bookmarks and passwords which are stored elsewhere in the profile folder.
You may also need to manually reset the Software Update feature by deleting the software update files as shown in the "Software Update not working properly" section here - http://kb.mozillazine.org/Software_Update

ERROR MASSAGE-"The update could not be installed.Plase make sure there are no other copies of firefox running on your computer,and then restart firefox to try again".

<blockquote>Locking duplicate thread.<br>
Please continue here: [[/questions/870411]]</blockquote>
"The update could not be installed.Please make sure there are no other copies of Firefox running on your computer,and then restart Firefox to try again"this kind of error massage i found but there are no other copies of Firefox running on my computer.So please solve my prob.I can not uninstall this because i have saved important bookmark on my system.When i start my Firefox that time browser is opening few times later may be it's my internet slow connection but everyone has slow connection internet they are not having this prob then why should i have this prob.Why it is taking little bit time to open?

Thanks for the info about Trojan. It may be the problem. Meanwhile I went to Admin/Owner side and did some cleaning -- including trying to reload my Favorite/Bookmarks that have always carried forth from previous levels of Windows XP and earlier.
The new computer here did not grab the Bookmarks from the previous, and yesterday I thought I had them loaded, and today went to Worker-Bee side and they are not showing.
About those add-ons... I have no idea, but think I got everything up to date yesterday. I will look at your earlier reply tomorrow or this weekend when I have more time at home to learn from it.
Thank you for your time in helping.
Late here, heading to sleep. Marilyn

ERROR MASSAGE- "The update could not be installed.Please make sure there are no other copies of Firefox running on your computer,and then restart Firefox to try again".

"The update could not be installed.Please make sure there are no other copies of Firefox running on your computer,and then restart Firefox to try again"this kind of error massage i found but there are no other copies of Firefox running on my computer.So please solve my prob.I can not uninstall this because i have saved important bookmark on my system.When i start my Firefox that time browser is opening few times later may be it's my internet slow connection but everyone has slow connection internet they are not having this prob then why should i have this prob.Why it is taking little bit time to open?after that update prob when i installed the update file.

Firefox [[Safe mode]] is a diagnostic mode that allows troubleshooting.<br />
You start the same version, only some features are disable like add-ons (Tools > Add-ons > Extensions).
See http://kb.mozillazine.org/Software_Update (Software Update not working properly)
Remove the files in the updates and updates\0 folder:
C:\Users\<user>\AppData\Local\Mozilla\Firefox\Mozilla Firefox\updates
(%LOCALAPPDATA%\Mozilla\Firefox\Mozilla Firefox\updates)
C:\Users\<user>\AppData\Local\VirtualStore\Program Files\Mozilla Firefox\updates
* Download a fresh Firefox copy from http://www.mozilla.com/firefox/all.html and save the file to the desktop.
* Uninstall your current Firefox version and remove the Firefox program folder before installing that copy of the Firefox installer.
* Don't remove personal data when uninstalling.
* It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.

With the latest update I get the following error: The update could not be installed. Please make sure there are no other copies of Firefox running on your computer, and then restart Firefox to try again; suggestions, advice, help.

Help>About Firefox> says I am using Firefox/3.6.10./GTB7.1 I get a note from Mozilla that there is an update. I download it after granting permission to change my machine. I say OK. A green bar slides across the monitor announcing that the update is being downloaded. When I then assume it is being installed I get the following error: The update could not be installed. Please make sure there are no other copies of Firefox running on your computer, and then restart Firefox to try again. There are no other copies running. The machine is not on a network. I am using WIN7

Thanks for the info about Trojan. It may be the problem. Meanwhile I went to Admin/Owner side and did some cleaning -- including trying to reload my Favorite/Bookmarks that have always carried forth from previous levels of Windows XP and earlier.
The new computer here did not grab the Bookmarks from the previous, and yesterday I thought I had them loaded, and today went to Worker-Bee side and they are not showing.
About those add-ons... I have no idea, but think I got everything up to date yesterday. I will look at your earlier reply tomorrow or this weekend when I have more time at home to learn from it.
Thank you for your time in helping.
Late here, heading to sleep. Marilyn

The Update could not be installed (patch apply failed) this keeps happening after it has told me to update Why ?

while running Firefox it comes on the screen saying security update so after it ties to update this comes on the screen "The Update could not be installed (patch apply failed)" I am running Firefox 6.0 and don't seem to have any other issues with it but it asks me several times to do this update but still says it cant do it
I am running windows vista

If files already have been downloaded then remove the files in the updates and updates\0 folder.
You can also delete the active-update.xml file.
*http://kb.mozillazine.org/Updates_reported_when_running_newest_version
Software Update not working properly:
*http://kb.mozillazine.org/Software_Update
* C:\Users\<user>\AppData\Local\Mozilla\Firefox\Mozilla Firefox\updates

On new install of FF, loading gives 'The update could not be installed.'

When updating a previous version, I got the 'The update could not be installed' error.
I uninstalled FF and then installed FF v35.
Still have the issue. I looked and found problems with the parent.lock file - deleted any I could find. Same problem, error on restart
I found a note about cleaning out the old updates after an install. I dug around and found one at: c:\Users\smann\AppData\Local\Mozilla\updates. I cleaned it out and, low and behold, no error!
Then, I went into Help/About Firefox and checked for further updates.
The problem has returned.
What gives? How do I get FF to not complain. It appears to be working okay, but, it makes you wonder.

It does, if you go to about:firefox and check the update log, are there any successful updates noted here?

The Update could not be installed (patch apply failed)

The Update could not be installed (patch apply failed)
Stuck on FF4.0. Update to 5.0 fails to install.

Ok I'll try that when I have time. TYVM I think your right, it should work.
Just haven't been to worried about it as 4.0 is doing ok with me. But I may as well get the newer version huh?

"The update could not be installed" message

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