Installed firefox update yesterday the 1 oct n computer cant boot in any mode

installed a firefox upgrade that poped up yesterday october 1st. i have windows 7 and now i cant start my computer , cant start it in any of the safe modes

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Yosemite install won't boot into any mode

Really sorry if this has been covered before but I spent a good time searching and couldn't find any existing posts with symptoms to the same extent.
I've got a 2008 iMac 27" and have the latest version of Yosemite installed (10.10.1 I guess). I upgraded to Yosemite probably 2-3 weeks ago and everything has been fine. Then yesterday when I woke it up from sleep it effectively froze - no mouse or keyboard input. So I did a reset by holding down the power button, and when I turned it back on it went to the apple logo boot screen with a progress bar that gets to just below 50% and stuck there. I've restarted quite a few times and left it running up to six hours and still it doesn't boot.
Now this is similar to the issue here - OSX Yosemite won't boot after install on mid 2010 iMac - except I am unable to boot into any mode, and the only startup keys accepted are the P-RAM reset. It won't boot into recovery mode (command+R), safe mode (Shift), startup drive select mode (Option), diagnostics mode (D)... nothing
I've booked into a Genius Bar appointment when the Apple stores reopen after Christmas, but I'm hoping that is a last resort and to be honest I'm unsure what they can do for me except to say it's a lost cause.
Are there any suggestions on what could be happening and why it's ignoring the startup modes? I would have suggested the keyboard not being recognised except the P-RAM command works perfectly, so it's obviously seeing it. I'm a little scared that because it won't let me into a boot device menu (which must operate independent of any HDD) then there's an issue ahead of that in the boot sequence, so possibly the motherboard is shot...
Sorry if I seem a little desperate. I had a HDD crash two years ago to the day (great Christmas present Apple) and it kind of puts a dampener on things.
Happy holidays and I'm grateful for any help that anyone can offer

Hello there, semerton.
Great job on troubleshooting the issue on your own so far. The following Knowledge Base aritcle offers some additional steps to try for resolving your issue:
Mac OS X: Gray screen appears during startup - Apple Support
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro.

Since installing firefox update I no longer have a padlock displayed when on secure sites. Is this still OK?

Since installing Firefox update today, 11/11/2011, when entering secure web sites I no longer have the display of a padlock. I still have Https. I am wondering if the security of these sties is still OK.

The Statusbar is gone and the "lock" with it as of Firefox 4.0. Security information about a web page is shown by the Site Identity Button. 
The old padlock could give users a false sense that a site is secure by not supplying all of the information about a site and only showed that there is a secure connection that didn't guarantee that you are connected to the right server. The Site Identity Button was introduced in Firefox 3.0 to show more complete "identity" information for HTTPS web pages. 
https://support.mozilla.com/en-US/kb/Site+Identity+Button
You can add a padlock to the location bar with the Padlock add-on- https://addons.mozilla.org/firefox/addon/padlock-icon

Installed Firefox 4 yesterday, and now I'm unable to get online.

Installed Firefox 4 yesterday, and now when I try to get online I get this message: "Your computer must be restarted to complete a previous upgrade to Firefox. Do you want to reboot now?" I've rebooted numerous times and still get the same error message. Can't get online w/Firefox.

Run the Firefox program once as Administrator (right-click: Run as Administrator). 
If that doesn't help then do a clean reinstall.
Do a clean (re-)install:
* Download a fresh Firefox copy and save the file to the desktop.
* Firefox 4.0: http://www.mozilla.com/firefox/all.html
* Uninstall your current Firefox version and remove the Firefox program folder before installing that copy of the Firefox installer.
* Don't remove personal data if you uninstall the current version.
* 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 do not need to create a new profile, that is not necessary for this issue
Your bookmarks and other profile data are stored elsewhere (not in the Firefox program folder) and won't be affected by a reinstall, but make sure that you do not select to remove personal data if you uninstall Firefox.

I installed Firefox 4 and the Orange App button plus the reload and stop are not showing

I installed Firefox 4 and the Orange App button plus the reload and stop are not showing.

You see the orange (on Linux gray) Firefox button if the Menu Bar is hidden, so you need to hide the Menu bar to get the new appearance. 
If you need to access the hidden Menu bar then press F10 or hold down the Alt key to make the Menu Bar appear temporarily. 
You can also place the Tab Bar on top.
* View > Toolbars : [ ] Menu Bar
* View > Toolbars : [X] Tabs on Top
Firefox 4 uses a combined Stop/Reload/Go button that is positioned at the right end of the location bar. 
During the page load process it shows as a Stop button and after the loading has finished the button is changed to a Reload button. 
If you type in the location bar then that button becomes a Go button. 
You can middle-click that Reload button to duplicate the current tab to a new tab.
To move the Stop and Reload buttons to their position to the left of the location bar you can use these steps:
* Open the "View > Toolbars > Customize" window to move the Stop and Reload button out of the location bar.
* Drag the Reload and Stop buttons to their previous position to the left of the location bar.
* Set the order to "Reload - Stop" to get a combined "Reload/Stop" button.
* Set the order to "Stop - Reload" or separate them otherwise to get two distinct buttons.

Windows installer package not running or installing properly error when i try to install and update to the new icloud control panel.

i get a windows installer package not running or installing properly error when i try to install and update to the new icloud control panel.

Okay ... so it's not one of the cases of bodged up ACLs on the Apple folder in Common Files. (That's been underlying a few of the recalcitrant E7W5s.
Just in case, let's try the fixit from the following document:
Fix problems with programs that can't be installed or uninstalled

Today withI have lost all my bookmarks passwords profile after Firefox updated to the newest versionout asking me first

I have lost all my bookmarks passwords profile etc after Firefox updated to the newest version today without asking me first. I liked what I had & several times a day it would say there are updates but I closed those popups or messages. Im now using the latest version just so I can have some use while I try to sort this out & get help.

I'm adding that I tried system restore several times .... & my last full backup.... but each time something was corrupted or would not launch or there was no '''.exe '''file in the program folder...Ive never seen this before, & the Mozilla backup I had was useless... it was unable to launch either

I have an Iphone 4 which I just updated with the latest software, which put in it in Recovery Mode. It has the picture of the plug with Itunes, I downloaded it now its saying its in Recovery Mode, how do I save all of my previous data without Restoring?

I have an IPhone 4 which I just updated with the latest software, which put in it in Recovery Mode. It has the picture of the plug with ITunes, I downloaded it now its saying its in Recovery Mode, how do I save all of my previous data without Restoring?
I updated the phone before backing it up on iTunes, now the update wanted me to connect the phone with iTunes and it says the phones in recovery mode and it must be restored before its used with iTunes. I go to click restore and it says it will reset it to factory default and I'll lose all my current data. I have all my sons pictures and videos along with this notes. I can't lose all of this data! Please help!

You have to restore the iPod, no ifs, ands, or buts...
After iOS is installed you will be asked if you what to set it up as a new iPod or if you want to restore from a backup.
If you have a good backup you can restore that and you're good to go.
If you don't have a good backup, then you end up with a "clean" iPod....

Since loading 7.0.2 i can not purchase apps on my iPhone 4S. Previously installed apps update, and I can purchase apps on other devices. Any ideas?

Since loading 7.0.2 i can not purchase apps on my iPhone 4S. Previously installed apps update, and I can purchase apps on other devices. Any ideas?

Mine's much worst - can't send nor receive emails from Yahoo and Gmail. It simply won't connect. Gmail first gives an error about the SSL and to try again without it. But, it still won't connect. Yahoo on the other hand keeps on saying that the apple.imap server is not responding no matter what settings I change. It really does seem that there's something wrong on their end, however, it seems selective.
This is on top of the fact that all of my contacts were erased and the Personal Hotspot disappears intermittently.
By the way, I came from 4.2. I updated my wife's from 4.1 and her's is just peachy.

Since this upgrade to Firefox 31 on the mac I can no longer get to any HP iLo.

Since this upgrade to Firefox 31 on the mac I can no longer get to any HP iLo, does anybody know what happened with security certificates with this update? Firefox does not ask to accept the certificate anymore it just says there i an invalid certificate.
Issuer certificate is invalid. (Error code: sec_error_ca_cert_invalid)

Note that if you remove the cert8.db file that this removes all intermediate certificates that Firefox has stored and possible exceptions that you created in the paste as well (see also cert_override.txt).
You will have to leave libPKIX disabled for now if that makes it possible to access these websites.
A possibility is to create a button with the PrefBar extension to toggle the security.use_mozillapkix_verification pref when needed, so you can see which sites have issues with PKIX.
What kind of error message do you get when you visit these websites if there is still one?
Can you attach a screenshot of the technical details or possibly post a link if the site is publicly accessible (i.e. no authentication or signing on required)?

A FAKE FIREFOX UPDATE ATTEMPTED TO LOAD ON MY COMPUTER ON JULY 15TH

THIS IS A WARNING THAT A FAKE FIREFOX UPDATE ATTEMPTED TO LOAD ONTO MY COMPUTER THIS EVENING 7-15-11

MY ANTIVIRUS SOFTWARE IDENTIFIED THE FAKE DOWNLOAD AS A TROJAN VIRUS. THERE IS NO SUCH NOTICE ON REAL DOWNLOAD.

I have installed windows on the new NTFS partician and cant boot it back to mac

I have installed windows on the new NTFS partician and cant boot it back to mac. I dont think I loaded the bootcamp for windows properly now it is stuck in Windows with no bootcamp icon

Restart Windows, hold down the option key.
If you have a valid OSX install, the drive should appear. Choose the OSX partition and continue.

I am not able to do a software update as the download button is disabled. Why and any advise may i upgrade my software

I am not able to do a software update as the download button is disabled. Why and any advise may i upgrade my software

The download button will be disabled if you are not on a WiFi connection at the present time.
My 4G/LTE connection is actually faster than my available WiFi (in this present location), but those are the rules...

When I try to start Firefox, I get the error message "Your computer must be restarted to complete a previous upgrade of Firefox. Do you want to reboot now?" I have rebooted several times to no avail. Get the same message when I try to uninstall Firefox

When I try to start Firefox, I get the error message "Your computer must be restarted to complete a previous upgrade of Firefox. Do you want to reboot now?" I have rebooted several times to no avail. Get the same message when I try to uninstall Firefox

Just had this same problem. Based on other suggestions I found on the web, went to C:\Program Files\Mozilla Firefox and deleted all files that ended with upgrade and/or delete. Then I was able to uninstall Firefox and then reinstalled. Hope this helps!

I have the latest Mac Air 13" and I have a Seagate 500MB external hard disk I cant copy or Cut any files on the hard disk and I cant even delete any files. I have the settings as Read and Write in the get info tab. Please help

I have the latest Mac Air 13" and I have a Seagate 500MB external hard disk I cant copy or Cut any files on the hard disk and I cant even delete any files. I have the settings as Read and Write in the get info tab. Please helpand also note that my hard drive was formatted on a Windows 7 Laptop.

thats the problem, its in MSDos (Fat) or NTFS for Windows.
Options.....
1. offload all that data on the HD onto your PC, THEN format the HD in EXFAT for use on BOTH PC and Mac for read/write.....then reload all (or as you need) that data back onto the HD
2. get another HD, and format it for Mac OSX extended journaled.
FAT32 (File Allocation Table)
Read/Write FAT32 from both native Windows and native Mac OS X.
Maximum file size: 4GB.
Maximum volume size: 2TB
You can use this format if you share the drive between Mac OS X and Windows computers and have no files larger than 4GB.
NTFS (Windows NT File System)
Read/Write NTFS from native Windows.
Read only NTFS from native Mac OS X
To Read/Write/Format NTFS from Mac OS X, here are some alternatives:
For Mac OS X 10.4 or later (32 or 64-bit), install Paragon (approx $20) (Best Choice for Lion)
Native NTFS support can be enabled in Snow Leopard and Lion, but is not advisable, due to instability.
AirPort Extreme (802.11n) and Time Capsule do not support NTFS
Maximum file size: 16 TB
Maximum volume size: 256TB
You can use this format if you routinely share a drive with multiple Windows systems.
HFS+ ((((MAC FORMAT))) (Hierarchical File System, a.k.a. Mac OS Extended (Journaled) Don't use case-sensitive)
Read/Write HFS+ from native Mac OS X
Required for Time Machine or Carbon Copy Cloner or SuperDuper! backups of Mac internal hard drive.
To Read HFS+ (but not Write) from Windows, Install HFSExplorer
Maximum file size: 8EiB
Maximum volume size: 8EiB
You can use this format if you only use the drive with Mac OS X, or use it for backups of your Mac OS X internal drive, or if you only share it with one Windows PC (with MacDrive installed on the PC)
EXFAT (FAT64) ------Can read/write from both PC and Mac
Supported in Mac OS X only in 10.6.5 or later.
Not all Windows versions support exFAT.
exFAT (Extended File Allocation Table)
AirPort Extreme (802.11n) and Time Capsule do not support exFAT
Maximum file size: 16 EiB
Maximum volume size: 64 ZiB
You can use this format if it is supported by all computers with which you intend to share the drive. See "disadvantages" for details.

Installed firefox update yesterday the 1 oct n computer cant boot in any mode

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