I downloaded Firefox 4.0 onto my Mac but when I try to open it I get a warning message saying "The following disk images couldn't be opened" What do I do now?

While running Firefox, I got a prompt saying their was an update. I did that, but then got another message saying that it was recommended I update firefox to 4.0. I downloaded it, but never received a prompt to drag the image into my applications folder. I also never saw an image of firefox 4.0 on my desktop. Firefox 4.0 was in my downloads folder but got the above warning message when I clicked on it. I tried downloading it again, but the same thing happened. Now what? It appears that Firefox is still running, although I haven't yet tried to go to another website.

Try:
*http://thexlab.com/faqs/resetlaunchservices.html
* http://guides.macrumors.com/Repairing_Permissions

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I successfully downloaded Contribute 6.5, but when I try to install it, I get this message. The following disk images couldn't be opened - Image: Contribute_6_5_LS12.dmg Reason: image not recognized.

I don't know what to do next. I'm running Mac OS 10.9
Any suggestions?
Thanks,

Download using another browser.
Mylenium

Installing Firefox 4 onto mac os x "The following disk images couldn't be opened. Image: Firefox 4.0.dmg Reason: not recognized".

I was trying to install Firefox 4 onto my mac os x but after I download it and click on the file to install it a window saying "The following disk images couldn't be opened. Image: Firefox 4.0.dmg Reason: not recognized". I have tried downloading it again but the same thing happens.

No workie! mac os x 10.5.8

I have downloaded the firefox 3.6.3, however My macbook, OS 10.6.3 has dialogue box reading" The following disk image couldn't be opened reason, not recognized. What are the next steps?

I have downloaded Firefox 3.6.3dmg, however, when I attempt to open I get the following dialogue box: The following disk images couldn't be opened: Image Firefox 3.6.3dmg reason not recognized.
== This happened ==
Not sure how often
== I tried to upgrade, it is unable to load on my Mac book with OS 10.6.3

Make sure you download the correct version for your system. See [http://www.mozilla.com/firefox/all.html this page] to see all systems and languages.
For help installing Firefox, see [http://support.mozilla.com/en-US/kb/Installing+Firefox this article].
If the message appears even though you're doing everything right, please show me a [http://www.wikihow.com/Take-a-Screenshot-of-the-Entire-Screen screenshot] of it so we can work from there.

When I download the 3.6.3 version I get a warning pop up saying 'the following disk images failed to mount'. What do I need to do to stop this from happening?

After downloading the a pop up box called Warning appears with saying 'The following disk images failed to mount' and below that there is a table that has Image with a Firefox 3.6.3 and another field called Reason saying Corrupt image. The current version of firefox I am using is 2.0.0.7
== This happened ==
Every time Firefox opened
== Recently when trying to download a newer version

Firefox 3.0 and 3.5/6 versions require at least Mac OS X 10.4
http://www.mozilla.com/en-US/firefox/system-requirements.html - Mozilla Firefox 3.6 System Requirements
Firefox 2.0.0.20 is the last release that runs on Mac OS X 10.2 and 10.3
See http://kb.mozillazine.org/Installing_Firefox
Mac: http://download.mozilla.org/?product=firefox-2.0.0.20&os=osx&lang=en-US

I'm downloading the adobe master collection 6 free trial and it has finished downloading but it is stuck in the "extracting" process.... there is an error displaying that says: "The following disc images couldn't be opened: MasterCollection_CS6 Error 4960

any help would be much appreciated!

Sounds as if the disk image file is corrupt. If I were you, I'd try downloading it again.
Clinton

I tried to download the game and it said the following disk images couldn't open

the following disk images couldn't be opened
TOT_Mac_installer_HI- not recognized
what i need to install to open this program ?
this game i bought as download but i am not able to open it
thanks, madeline

What is the File Extension of that game file. I am thinking is is a .(DOT)EXE fiole which is a Windows file and won't run on Mac OS X.
If you don't have "Show All Filename Extensions" turned on I suggest you turn it on. It is in the Finder Preferences under the Advanced tab.
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I just upgraded my iMac to Lion, and a few seconds ago, I upgraded the iWork package and now I'm having some problems with the new version of Pages (4.1) When I try to change something in a document, a message says "the program is not responding"

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See Troubleshooting issues with iTunes for Windows updates.
Try the repair tip in the third box first.
tt2

I cannot access my ebay account. I can still look for stuff but if I try to login in I get an error message saying that the connection was reset. This is the only site I am having issues with. The site works with IE6 but I would rather use Firefox.

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HouFunGuy wrote:
One thing I notice is that the _mmServerScripts folder does not show up in my Local Files folder - even after refreshing. (The underscore must hide this folder?)When I change the drop-down from Local View to Testing Server I don't see the _mmServerScripts folder, and all folders are red.
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Calendar in gmail now refuses to open and I get an error message saying the page isn't redirecting properly and that Firefox has detected that the server is redirecting the request for this address in a way that will never complete.

The error message suggests that this problem can sometimes be caused by disabling or refusing to accept cookies, yet cookies are enabled.
I want to import my calendar from Outlook but I can't even open the exisiting calendar I have already set up in associaion with my gmail account

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I'm trying to install Firefox 4.0, but I get "Warning: the following disc images couldn't be opened. Reason: not recognized"

Mac OS X.

Make sure you download the correct version for your system. See [http://www.mozilla.com/firefox/all.html this page] to see all systems and languages.
For help installing Firefox, see [http://support.mozilla.com/en-US/kb/Installing+Firefox this article].
If the message appears even though you're doing everything right, please show me a [http://www.wikihow.com/Take-a-Screenshot-of-the-Entire-Screen screenshot] of it so we can work from there.

Disk images couldn't be opened when downloading .dmg file

Since I upgraded to Yosemite I haven't been able to instal a .dmg file for upgrade of adobe - assumed a corrupt file but it wasn't vital so I ignored it until today when I needed to use the player.
I have run disk verification/permission checks - all ok & I have turned off security & firewalls but, even with deleting and redownloading the files several times after purging the error code still says
'The following disk images couldn't be opened' = reason given 'No such file or directory'
I have also tried to download Opera and Chrome today - the same error occurs.
Running Yosemite on Macbook pro from 2013 - all softwares up to date and problem recent - can anyone help?
Simon

Same problem here. Restarting Mac fixes it for awhile, but then I start getting the "No such file" error again.

Mac OS 10.5.6 downloaded Firefox 3.6.13 Came as .dmg When I try to launch it says "Not Recognized". Right click for "Open With" refers me to Disk Utility when same results "Not Recognized"

About my Mac > G5 Desktop OS 10.5.6
Want to upgrade to Firefox 3.6.13
The download comes as a compressed file in .dmg format. When I attempt to launch the .dmg file to decompress I get a error message that says: The following disk images failed to mount: Image > Firefox 3.6.13 Reason > Not Recognized. When I right click to see what opening app it is directed to it says: Open with "DiskImageMounter (default). Disk Utility is offered as another opening resource when I direct the file to Disk Utility and go to Menu Bar select "File" then select "Open Disk Image" (or Cmd + "O") I get the same result. Have tried downloading the file twice more and get the same results

Vk2mh it sounds like the download was not complete or corrupted. Where are you downloading the update from? Have you tried downloading again?

I downloaded Firefox 4.0 onto my Mac but when I try to open it I get a warning message saying "The following disk images couldn't be opened" What do I do now?

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