Hi Just "upgraded" on Firefox suggestion - now the program won't work "not supported on this architecture" Im on a PowerPC Mac OSX10.5.8. Now what? back to Safari?

How do I get an *older* version of Firefox (5?)

*Firefox 4 versions and later do not run on a PowerPC Mac.
*Firefox 4 and later require at least OS X 10.5 and an Intel Mac.
* http://www.mozilla.com/firefox/6.0/system-requirements/
For an unofficial Firefox 4 compatible version (TenFourFox) that runs on PowerPC Macs with OS X 10.4.11 or OS X 10.5.8 you can look at:
* http://www.floodgap.com/software/tenfourfox/
* http://code.google.com/p/tenfourfox/
Firefox 3.6.x (Mac OS X 10.4 and later) can be found here:
* http://www.mozilla.com/en-US/firefox/all-older.html

Similar Messages

What does "you cannot open the application because it is not supported on this architecture" mean?

What does "you cannot open the application because it is not supported on this architecture" mean?

well my mac lion (10.4.11) will run minecraft.jar, but runs very slow , i tried downloading minecraft.zip it showed the mc logo with a x on it, i tried opening it, and it said it cant open it because there is no application to open it, do i need a higher version of mac? mainly leopard or snow leopard? This is what it looks like

Firefox 4 unable to use on imac G5 ( without intel chips ), get messageYou can't open the application bcz it is not supported on this architecture.

My iMac G5 without intel chips, Mac OS X 10.5.8.
using Firefox 364 no problem at all.
But unable to install Firefox 4 on it, prompt "You can't open the application because it is not supported on this architecture"

Firefox 4 requires at least OS X 10.5 and an Intel Mac.
There is a third-party version of Firefox 4 that works on PPC Macs, for details see http://www.floodgap.com/software/tenfourfox

Can't open the application "Firefox.app" because it is not supported by this architecture. I'm using mac os 10.5.8

Been using Firefox (many years) version 3.16.. Received invitation to download Firefox version 4 for Mac this morning and did so (regretably losing 3.16 version) because now the new version 4 won't open. I just keep getting the error message "You can't open the application "Firefox.app" because it is not supported by this architecture." I'm using the latest Mac OS 10.5.8. The processor is 1.8 GHz Power PC G5.
I trashed the first download and downloaded a 2nd Firefox version 4 and had the same results.

Firefox 4 requires at least OS X 10.5 and an Intel Mac. There is a third party version of Firefox 4 that runs on OS X 10.4/10.5 and PPC Macs, for details see http://www.floodgap.com/software/tenfourfox
If you prefer, you can get the latest version of Firefox 3.6 from http://www.mozilla.com/en-US/firefox/all-older.html
Mozilla are working to prevent Mac users with non-compatible systems from getting the notification about Firefox 4, and also not displaying the "Download Firefox 4" button on http://www.mozilla.com

Firefox can't open the application "because it is not supported on this architecture

"You cannot open the application "Firefox" because it is not supported on this architecture."

Thanks for the link to the system requirements, edmeister. However, my system appears to fit every requirements listed, but still gives the same error message.
Here is what my system profiler tells me about my Imac:
Mac OS X v. 10.5.8
Processor: 2 GHz Intel Core 2 Duo, which Wikipedia tells me is "x86" processor
3 GB 667 MHz DDR2 SDRAM
My Activity Monitor says:
1.87 GB of my system memory free
303 GB of hard disk space free
Is there some explanation why I am being told Firefox 4 is not being supported on this architecture?

When I open the download manager it says not supported by this architecture, what do I need to insta

When I open the download manager it says cannot be supported by this architecture. Do I need to install something?

Do I need to install something?
No. You need to get a new Mac.
Mylenium

MAC running on 10.5.8 trying to upgrade to Firefox 9.0. unable to use it as it said"You can't open the application because it's not supported on this architecture"

I've read your recommended work around, that said to trash all previous versions of Firefox, I've done so and now have no browser other than Safari.

Beginning with Firefox 4, Macs must have an Intel x86 processor (which you do NOT have; '''''yours is a PPC Mac''''') '''''and''''' OSX 10.5 or higher.
*System Requirements: [https://www.mozilla.org/en-US/firefox/4.0/system-requirements/index.html Firefox 4] [https://www.mozilla.org/en-US/firefox/5.0/system-requirements/index.html Firefox 5] [https://www.mozilla.org/en-US/firefox/6.0/system-requirements/index.html Firefox 6] [https://www.mozilla.org/en-US/firefox/7.0/system-requirements/index.html Firefox 7] [https://www.mozilla.org/en-US/firefox/8.0/system-requirements/index.html Firefox 8] [https://www.mozilla.org/en-US/firefox/9.0/system-requirements/index.html Firefox 9]
'''''The good news''''' is that Firefox 3.6.x still supports OSX 10.4 and Macs with the PPC Mac architecture. '''''The bad news''''' is that support for the Firefox 3.6.x series is likely to end in the first quarter of 2012.
*System requirements: [https://www.mozilla.org/en-US/firefox/3.6/system-requirements/index.html Firefox 3.6.x]
*Download Firefox 3.6.x: https://www.mozilla.org/en-US/firefox/all-older.html
*Also see --> http://support.mozilla.com/en-US/kb/Installing+Firefox+on+Mac
You can try the third-party product '''''TenFourFox''''' that supports PPC Macs with OSX 10.4.11 and OSX 10.5.8. Firefox 9 version of '''''TenFourFox''''' is available. The product is based on Firefox released versions. All support is provided by the developer, not by this site:
*Home page: http://www.floodgap.com/software/tenfourfox/
*Developer's blog: http://tenfourfox.blogspot.com/
*'''''VERY IMPORTANT'''''; '''read this carefully''': https://code.google.com/p/tenfourfox/wiki/ReleaseNotes90
*'''''VERY IMPORTANT'''''; '''read this carefully''': https://code.google.com/p/tenfourfox/wiki/PluginsNoLongerSupported
'''If this reply solves your problem, please click "Solved It" next to this reply when signed-in to the forum.'''

When I try to open Firefox 4 Beta, I get the message,"cannot open because not supported on this architecture." MAC G4 running OS X.

MAC G4 desktop.

Firefox 4 requires at least OS X 10.5 and an Intel Mac.
There is a third-party build of Firefox 4 that will run on PPC Macs using OS X 10.4, for details see http://www.floodgap.com/software/tenfourfox/

I tried to upgrade to Firefox 4. I have lost my Firefox 3.6. Firefox 4 will not open on my computer. The message say that it is not supported on thie architecture. I have OS 10.4.11 on an eMac? What do I do?

I down loaded 4 and installed it to replace 3.6. I then tried to launch it and got the message that it is not supported on this architecture.

Firefox 4 requires at least OS X 10.5 and an Intel Mac. There is a third party version of Firefox 4 that runs on OS X 10.4/10.5 and PPC Macs, for details see http://www.floodgap.com/software/tenfourfox
If you prefer, you can get the latest version of Firefox 3.6 from http://www.mozilla.com/en-US/firefox/all-older.html
Mozilla are working to prevent Mac users with non-compatible systems from getting the notification about Firefox 4, and also not displaying the "Download Firefox 4" button on http://www.mozilla.com

Went to upgrade and says OS too old. I went back to older version of foxfire. Now I have a circle with a line through it and when I try to open it I get,You cannot open the application "Firefox" because it is not supported on this architecture.

I have PowerBook G4, running 10.5.8. Went to upgrade and says OS too old. I went back to older version of foxfire. Now I have a circle with a line through it and when I try to open it I get,You cannot open the application “Firefox” because it is not supported on this architecture. Thanks for the help.

Firefox 3.6.x is the last available from Mozilla for PPC Macs. 
http://www.mozilla.com/en-US/firefox/all-older.html
For older Macs that aren't supported in Firefox 4+ versions, try TenFourFox for PowerPC's running Mac 10.4.11 & 10.5.8 . 
http://www.floodgap.com/software/tenfourfox/ 
http://tenfourfox.blogspot.com/ 
https://code.google.com/p/tenfourfox/wiki/PluginsNoLongerSupported

I just got a notice to update my firefox to 4.0 and when I downloaded the new software it indicated: that I can't open the application "Firefox" because it is not supported on this architecture. Any ideas about what might be wrong and how to fix it?

I just got a notice to update my firefox to 4.0 and when I downloaded the new software it indicated: that I can't open the application "Firefox" because it is not supported on this architecture. Any ideas about what might be wrong and how to fix it?

Firefox 4 requires at least OS X 10.5 and an Intel Mac. There is a third party version of Firefox 4 that runs on OS X 10.4/10.5 and PPC Macs, for details see http://www.floodgap.com/software/tenfourfox
If you prefer, you can get the latest version of Firefox 3.6 from http://www.mozilla.com/en-US/firefox/all-older.html

I downloaded Firefox 4 onto my PowerPC G4 1.67GHz running Mac OSX 10.5.6. When I try to open it I get error message You cannot open the application "Firefox" because it is not supported on this architecture. I can't find my Firefox 3.6.16 I'm on Safari.

I just want to download Firefox 3.6 again
I downloaded Firefox 4 onto my PowerPC G4, 1.67GHz running Mac OSX 10.5.6. When I try to open it I get error message You cannot open the application “Firefox” because it is not supported on this architecture.

Use Tony's suggestion. I am running it right now and it is awesome. I love Mozilla but they basically screwed all of those older Macs over. Come on Mozilla. These Macs still work, and there are plenty of people with them out there.

My Mac with OS 10.5.8 says I cannot open Firefox because it is not supported on this architecture. I tried to update my version, and this is all I get now. What can I do to use Firefox again? Thank you.

My computer is not allowing me to utilize any version of Firefox, after multiple downloading attempts. I simply get a message that Firefox is not supported on this architecture, and the Firefox icon in my toolbar now has a circle on it with a line through it (Canceled). I hope that someone can explain what I need to do to be able to use Firefox once again. Thank you, TC

As you have a PPC or Power Mac the last release form Mozilla to work on PPC is Firefox 3.6.*
Firefox 3.6.23 can be found at http://www.mozilla.com/en-US/firefox/all-older.html
Since you have a PPC Mac there is this third-party option for Firefox 7.0.1 at
http://www.floodgap.com/software/tenfourfox/
As of Firefox 4.0, a '''Intel''' Mac with OSX 10.5+ is required for Firefox builds from Mozilla. http://www.mozilla.org/en-US/firefox/7.0.1/system-requirements/

The disk you inserted was not readable by this computer. (when putting ipod into mac) help,. now have no music on my ipod

the disk you inserted was not readable by this computer. (when putting ipod into mac) help,. now have no music on my ipod. how do i sort this out?

- Verify the file and disk formats on your camcorder and on your friend computer whether they support what you want to do. Also, if you are using a specific application to do the task, you may need to verify an application whether it supports the file format (e.g. MPEG4, Apple Intermediate Codec).
- Verify the device cable type whether Mac OS X 10.4.x supports.
- Verify the device compatibility with Mac OS X 10.4.x.
- Check an available firmware or driver for the camcorder that has developed after Mac OS X 10.4.4.
- Try diagnosing and repairing local hard disk and camcorder's drive directory.
- Verify disks permissions issue.
- Verify whether the disk is TOO warm or cold to read.
- If every troubleshooting does not solve the issue, consider to reformat the camcorder drive.
You may try suggestions by Dale Weisshaar: http://discussions.apple.com/thread.jspa?messageID=1206250

I have a big crossbar mark over my FF4 icon after I've installed and replaced FF3. When I try to open the software, I get "You can't open the application "Firefox" because it is not supported on this architecture." What's up with that?

I have a big crossbar mark over my FF4 icon after I've installed and replaced FF3. When I try to open the software, I get "You can't open the application "Firefox" because it is not supported on this architecture." What's up with that?

Firefox 4 requires at least OS X 10.5 and an Intel Mac. There is a third party version of Firefox 4 that runs on OS X 10.4/10.5 and PPC Macs, for details see http://www.floodgap.com/software/tenfourfox
If you prefer, you can get the latest version of Firefox 3.6 from http://www.mozilla.com/en-US/firefox/all-older.html

Hi Just "upgraded" on Firefox suggestion - now the program won't work "not supported on this architecture" Im on a PowerPC Mac OSX10.5.8. Now what? back to Safari?

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