I downloaded Firefox 6.o but don't know how to install it.

I got the "bar" to download the latest version of Firefox for AOL and did all I could to download. I got a box the said "save" or cancel and hit save. It is in my download list but did not install and I don't know how.

https://support.mozilla.com/en-US/kb/Installing+Firefox+on+Windows

Similar Messages

Hi, I tried to download a bunch of my favourite TV episodes. I was unable to get them all due to lack of storage. I increased my storage but the downloads didn't come. I tried deleting the already downloaded and viewed episodes but don't know how.

Hi, I tried to download a bunch of my favourite TV episodes. I was unable to get them all due to lack of storage. I increased my storage but the downloads didn't come. I tried deleting the already downloaded and viewed episodes but don't know how.
I'm wondering if I should increase my storage again but I'm not sure that's the issue.

You need more storage on your iPad, however, it can't be increased. iCloud storage is ecternal to the iPad and is used for backup.
You need to delete some item on the iPad.
How much space is used by your Other? You may be able to reduce.
How Do I Get Rid Of The “Other” Data Stored On My iPad Or iPhone?
http://tinyurl.com/85w6xwn
With an iOS device, the “Other” space in iTunes is used to store things like documents, settings, caches, and a few other important items. If you sync lots of documents to apps like GoodReader, DropCopy, or anything else that reads external files, your storage use can skyrocket. With iOS 5/6/7, you can see exactly which applications are taking up the most space. Just head to Settings > General > Usage, and tap the button labeled Show All Apps. The storage section will show you the app and how much storage space it is taking up. Tap on the app name to get a description of the additional storage space being used by the app’s documents and data. You can remove the storage-hogging application and all of its data directly from this screen, or manually remove the data by opening the app. Some applications, especially those designed by Apple, will allow you to remove stored data by swiping from left to right on the item to reveal a Delete button.
There are some wireless external hard drives that can be used with the iPad.
Best iPad External Hard Drive Storage Options
http://www.unlocktips.com/2012/11/best-ipad-mini-external-hard-drive-memory-stor age-options/
iPad Storage Solutions
http://www.ipadstoragesolutions.com/iPadWirelessStorage.php
SanDisk Connect Wireless Media Drive http://www.sandisk.com/products/wireless/media-drive/
Another option:
Expand your iPad's storage capacity with HyperDrive
http://www.macworld.com/article/1153935/hyperdrive.html
On the road with a camera, an iPad, and a Hyperdrive
http://www.macworld.com/article/1160231/ipadhyperdrive.html
 Cheers, Tom

I'm new to iPad and have downloaded the Nook app but don't know how to use it to get Nook books to download from my account at BN.

I am new to iPad and have downloaded the Nook app. How do I use it to read the Nook books are that in my account from Barnes&Noble?

From http://www.barnesandnoble.com/ebooks/help-faqs.asp#NOOKapp
How do I download my books to my device? I get a message "Safari cannot Download".Launch the NOOK app software to trigger the automatic syncing of your purchases to your device. You can also manually tap the 'gear' button in the lower right-hand corner of the navigation bar and then hit Account Settings. This will open a screen to allow you to enter your login information which includes your account name and password. Press Go and your information will be verified and then the contents of your on-line NOOK Library will be listed for you. Then just browse your book listings and tap on the book you'd like to download to your device. A popup will confirm your request. Press OK and the book will download to your device in the background, and you'll be notified when it has finished downloading.

Just got a new pc - downloaded itunes on it, but don't know how to get my music on my older ipod classic to load (sync) with itunes on my new pc - whats the deal?

how to get my new pc to sync with my ipod to get my music on my new pc's itunes?

See this older post from another forum member Zevoneer covering the different methods and software available to assist you with the task of copying content from your iPod back to your PC and into iTunes.
https://discussions.apple.com/thread/2452022?start=0&tstart=0
B-rock

Palm Zire 31 sat idle for too long and then my hard drive crashed - I have recovered my palmOne files from the hard drive but don't know how to install to desktop?

Since this product is no longer supported by the manufacturer, I hope that someone out there will be able to help me find a way to get my calendar and contacts restored to the desktop. My handheld sat unused for a very long time, but my desktop calendar and contacts were current up until my hard drive crashed. I was able to recover the PalmOne files from the crashed hard drive but all I can see are *.dat files. When I try to import or restore, the *.dat is not a supported file extension. HELP! I have the original installation CD. Thank you
Post relates to: Zire 31
This question was solved.
View Solution.

.dat are the actual working files Palm Desktop is looking for - you can't import them.
Just create a user in Palm Desktop and copy the .dat files (that have more than 1k of data) over the existing address.dat and datebook.dat (or calendar.dat, I forget which existed on your device).
WyreNut
I am a Volunteer here, not employed by HP.
You too can become an HP Expert! Details HERE!
If my post has helped you, click the Kudos Thumbs up!
If it solved your issue, Click the "Accept as Solution" button so others can benefit from the question you asked!

I've just downloaded the add-on - Quick Locale Switcher but don't know how to access it because there doesn't appear to be a button for it on the Firefox toolbar?

I've just downloaded the add-on - Quick Locale Switcher but don't know how to access it because there doesn't appear to be a button for it on the Firefox toolbar?

With any extension, look at the add-on page for that item in Mozilla Add-ons: https://addons.mozilla.org/en-US/firefox/<br />
*Answers can usually be found there: https://addons.mozilla.org/en-US/firefox/addon/1333/<br />
*Also the developer's home page for the extension (the link is on the above page): http://www.captaincaveman.nl/firefox-extensions-quick-locale-switcher.aspx<br />
*Also see if there is a forum on the developer's home page (there is for this one): http://forum.captaincaveman.nl/default.aspx?g=topics&f=12

I have downloaded MAMP for Mac and want to use it for working with Wordpress. I had mysql installed before this and would like to uninstall it and use MAMP. It was easy to turn off Apache and PHP but don't know how to uninstall mysql. Please help!!

I have downloaded MAMP for Mac and want to use it for working with Wordpress. I'm on an Imac with Maverick OS 10.9. I had mysql installed before this and would like to uninstall it and use MAMP. It was easy to turn off Apache and PHP but don't know how to uninstall mysql. Please help!!

It depends on how you installed it. You have to shutdown the MySQL service first. If you used the standard, but obsolete Startup Item, you can do that with the Startup Item. If you created a launchd script, you can do it with launchctl. Once MySQL is no longer running, you can delete the Startup Item or launchd script and the rest of MySQL.

HT201272 I downloaded ringtone from the app store,but then i had to change my phone. I thought i had backed up all of mydownloads but the ringtone did not load to the new phone. I have the receipt number in my e-mail but don,t know how to retrieve it

I downloaded ringtone from the app store,but then i had to change my phone. I thought i had backed up all of mydownloads but the ringtone did not load to the new phone. I have the receipt number in my e-mail but don,t know how to retrieve it

I downloaded ringtone from the app store,but then i had to change my phone. I thought i had backed up all of mydownloads but the ringtone did not load to the new phone. I have the receipt number in my e-mail but don,t know how to retrieve it

I accidentally deleted all my apps and music. I can re-download the music but don't know how to get the apps back without buying them again. Any thoughts?

I accidentally deleted all my apps and music. I can re-download the music but don't know how to get the apps back without buying them again. Any thoughts?

Just follow this:
Downloading past purchases from the App Store, iBookstore, and iTunes Store

I need help! I have iPad mini and I can't use App Store. It always asking my credit card lnformation to download, but the apps I will download are free. I don't know how it will work again.

I need help!
I have iPad mini and I can't use App Store.
It always asking my credit card lnformation to download, but the apps I will download are free.
I don't know how it will work again.
Help me please!
Thank you.

You need to have a payment method on file. If the apps are free you will not be charged anything. Either enter your credit card information or purchase and enter an iTunes gift card.

I just downloaded 3 podcast items into my iPod shuffle but don't know how to listen to it. It plays the music list but don't know how to get to my podcast list to play it..

I just downloaded 3 podcast items into my iPod shuffle but don't know how to listen to it. It plays the music list but don't know how to get to my podcast list to play it..

jfromnj wrote:
I purchased and downloaded the Family Pack of IWork. I recently purchased another computer (MacBook Pro) and I want to be able to use IWork on the new
computer but don't know how to go about it. The only thing on the Apple home page is to purchase either the item or trial pack. I don't think I should have to purchase anything since a family pack covers 5 computers in the same household. Please, if someone knows how to go about this and what I need to do so please let me know. Thank you.
You didn't keep the download for future use?

I just downloaded a movie to my ipad1 but don't know how to retrieve it?

I just paid to rent and downloaded a movie on my iPad 1 but don't know how to retrieve it to watch?

Tap the videos App.

My 2009 macbookpro has begun running very slowly, apps freeze and pages hang ... i've run EtreCheck and there are problems but don't know how to sort

my 2009 macbookpro has begun running very slowly, apps freeze and pages hang ... i've run EtreCheck and there are problems but don't know how to sort ... ran CleanMyMac and freed up about 30GB of space but didn't help ... ran AdwareMedic so that's been sorted but the other issues that came up on the EtreCheck I need help with however i can't figure out how to paste the results on this page

thanks thomas ... here it comes
EtreCheck version: 2.1.5 (108)
Report generated December 29, 2014 at 5:03:07 PM GMT
Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Click the [Adware] links for help removing adware.
Hardware Information: ℹ️
    MacBook Pro (17-inch, Early 2009) (Verified)
    MacBook Pro - model: MacBookPro5,2
    1 2.66 GHz Intel Core 2 Duo CPU: 2-core
    4 GB RAM Upgradeable
        BANK 0/DIMM0
            2 GB DDR3 1067 MHz ok
        BANK 1/DIMM0
            2 GB DDR3 1067 MHz ok
    Bluetooth: Old - Handoff/Airdrop2 not supported
    Wireless: en1: 802.11 a/b/g/n
Video Information: ℹ️
    NVIDIA GeForce 9400M - VRAM: 256 MB
        Color LCD 1920 x 1200
    NVIDIA GeForce 9600M GT - VRAM: 512 MB
System Software: ℹ️
    OS X 10.9.5 (13F34) - Uptime: 0:5:36
Disk Information: ℹ️
    FUJITSU MHZ2320BH FFS G1 disk0 : (320.07 GB)
        EFI (disk0s1) <not mounted> : 210 MB
        [redacted]'s world too (disk0s2) / : 319.21 GB (30.39 GB free)
        Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
    MATSHITADVD-R   UJ-868
USB Information: ℹ️
    Apple Inc. Built-in iSight
    Apple Inc. iPhone
    Logitech USB Receiver
    Apple Inc. BRCM2046 Hub
        Apple Inc. Bluetooth USB Host Controller
    Apple, Inc. Apple Internal Keyboard / Trackpad
    Apple Computer, Inc. IR Receiver
Configuration files: ℹ️
    /etc/hosts - Count: 29 - Corrupt!
Gatekeeper: ℹ️
    Mac App Store and identified developers
Kernel Extensions: ℹ️
        /Library/Application Support/Roxio
    [not loaded]    com.roxio.TDIXController (1.7) [Support]
        /System/Library/Extensions
    [not loaded]    com.kensington.mouseworks.iokit.KensingtonMouseDriver (3.0) [Support]
        /System/Library/Extensions/KensingtonMouseDriver.kext/Contents/PlugIns
    [not loaded]    com.kensington.mouseworks.driver.ADBID32Mouse (3.0) [Support]
    [not loaded]    com.kensington.mouseworks.driver.ADBID32MouseX1 (3.0) [Support]
    [not loaded]    com.kensington.mouseworks.driver.ADBID4Mouse (3.0) [Support]
    [not loaded]    com.kensington.mouseworks.driver.ADBID4MouseX1 (3.0) [Support]
    [not loaded]    com.kensington.mouseworks.driver.KMWBluetoothHIDMouse (3.0) [Support]
    [not loaded]    com.kensington.mouseworks.driver.KMWBluetoothOldHIDMouse (3.0) [Support]
    [not loaded]    com.kensington.mouseworks.driver.KMWUSBHIDMouse (3.0) [Support]
    [not loaded]    com.kensington.mouseworks.driver.USBMouseX1 (3.0) [Support]
    [not loaded]    com.kensington.mouseworks.driver.VirtualMouse (3.0) [Support]
    [not loaded]    com.kensington.mouseworks.driver.VirtualMouseX1 (3.0) [Support]
    [not loaded]    com.kensington.mouseworks.iokit.KensingtonMouseDriverX1 (3.0) [Support]
Startup Items: ℹ️
    AdobeVersionCueCS2: Path: /Library/StartupItems/AdobeVersionCueCS2
    Firewall: Path: /Library/StartupItems/Firewall
    RetroRun: Path: /Library/StartupItems/RetroRun
    Startup items are obsolete in OS X Yosemite
Launch Agents: ℹ️
    [not loaded]    com.adobe.AAM.Updater-1.0.plist [Support]
    [loaded]    com.adobe.CS4ServiceManager.plist [Support]
    [loaded]    com.adobe.CS5ServiceManager.plist [Support]
    [invalid?]    com.oracle.java.Java-Updater.plist [Support]
Launch Daemons: ℹ️
    [loaded]    com.adobe.fpsaud.plist [Support]
    [invalid?]    com.adobe.SwitchBoard.plist [Support]
    [loaded]    com.adobe.versioncueCS3.plist [Support]
    [loaded]    com.adobe.versioncueCS4.plist [Support]
    [running]    com.atomicbird.macaroni.launchd.plist [Support]
    [loaded]    com.macpaw.CleanMyMac2.Agent.plist [Support]
    [invalid?]    com.oracle.java.Helper-Tool.plist [Support]
    [loaded]    com.prosofteng.DriveGenius.locum.plist [Support]
    [loaded]    com.skype.skypeinstaller.plist [Support]
User Launch Agents: ℹ️
    [loaded]    com.adobe.AAM.Updater-1.0.plist [Support]
    [loaded]    com.adobe.ARM.[...].plist [Support]
    [loaded]    com.adobe.ARM.[...].plist [Support]
    [loaded]    com.google.keystone.agent.plist [Support]
    [loaded]    com.macpaw.CleanMyMac2Helper.diskSpaceWatcher.plist [Support]
    [loaded]    com.macpaw.CleanMyMac2Helper.scheduledScan.plist [Support]
    [loaded]    com.macpaw.CleanMyMac2Helper.trashWatcher.plist [Support]
    [running]    com.prosofteng.DGMonitor.plist [Support]
    [running]    ws.agile.1PasswordAgent.plist [Support]
User Login Items: ℹ️
    CNQL1210_ButtonManager    ApplicationHidden (/Library/CFMSupport/CNQL1210_ButtonManager.app)
    System Events    ApplicationHidden (/System/Library/CoreServices/System Events.app)
    Mail    Application (/Applications/Mail.app)
    Firefox    Application (/Applications/Firefox.app)
    AdobeResourceSynchronizer    ApplicationHidden (/Applications/Adobe Reader 9/Adobe Reader.app/Contents/Support/AdobeResourceSynchronizer.app)
    Calendar    Application (/Applications/Calendar.app)
    Skype    Application (/Applications/Skype.app)
    Dropbox    Application (/Applications/Dropbox.app)
    AdobeResourceSynchronizer    ApplicationHidden (/Applications/Adobe Reader.app/Contents/Support/AdobeResourceSynchronizer.app)
    MouseWorks Background    Application (/Library/Application Support/Kensington/MouseWorks.prefPane/Contents/Resources/Support/MouseWorks Background.app)
Internet Plug-ins: ℹ️
    AdobePDFViewerNPAPI: Version: 11.0.10 - SDK 10.6 [Support]
    Flash Player: Version: 16.0.0.235 - SDK 10.6 [Support]
    EPPEX Plugin: Version: 3.0.0.0 [Support]
    AdobePDFViewer: Version: 11.0.10 - SDK 10.6 [Support]
    ContentUploaderPlugin: Version: 1.2 [Support]
    iPhotoPhotocast: Version: 7.0
    RealPlayer Plugin: Version: Unknown [Support]
    PDEPrint: Version: 2.0 [Support]
    DirectorShockwave: Version: 11.5.2r602 [Support]
    PDF Browser Plugin: Version: 2.4.2 - SDK 10.2 [Support]
    FlashPlayer-10.6: Version: 16.0.0.235 - SDK 10.6 [Support]
    QuickTime Plugin: Version: 7.7.3
    CANONiMAGEGATEWAYDL: Version: 3.0.0.2 [Support]
    DivXBrowserPlugin: Version: 1.3 [Support]
    Silverlight: Version: 5.1.30514.0 - SDK 10.6 [Support]
    Google Earth Web Plug-in: Version: 6.0 [Support]
    Default Browser: Version: 537 - SDK 10.9
    Flip4Mac WMV Plugin: Version: 3.2.0.16   - SDK 10.8 [Support]
    JavaAppletPlugin: Version: 14.9.0 - SDK 10.7 Check version
    OfficeLiveBrowserPlugin: Version: 12.3.6 [Support]
User internet Plug-ins: ℹ️
    QuickTime Plugin: Version: 6.5.1
    fbplugin_1_0_0: Version: Unknown [Support]
Safari Extensions: ℹ️
    Ultimate [Installed]
3rd Party Preference Panes: ℹ️
    ASM [Support]
    DivX [Support]
    Flash Player [Support]
    Flip4Mac WMV [Support]
    Macaroni [Support]
Time Machine: ℹ️
    Skip System Files: NO
    Mobile backups: OFF
    Auto backup: NO - Auto backup turned off
    Destinations:
        G-DRIVE Mini [Local]
        Total size: 999.86 GB
        Total number of backups: 7
        Oldest backup: 2014-07-09 00:13:07 +0000
        Last backup: 2014-12-10 22:18:57 +0000
        Size of backup disk: Excellent
            Backup size 999.86 GB > (Disk size 0 B X 3)
Top Processes by CPU: ℹ️
         6%    WindowServer
         3%    firefox
         1%    mds_stores
         0%    mdworker
         0%    Skype
Top Processes by Memory: ℹ️
    348 MB    firefox
    137 MB    Skype
    122 MB    mds_stores
    120 MB    com.apple.IconServicesAgent
    73 MB    Dropbox
Virtual Memory Information: ℹ️
    1.26 GB    Free RAM
    1.74 GB    Active RAM
    477 MB    Inactive RAM
    543 MB    Wired RAM
    503 MB    Page-ins
    0 B    Page-outs
Diagnostics Information: ℹ️
    Dec 29, 2014, 04:58:09 PM    Self test - passed
    Dec 29, 2014, 10:58:04 AM    /Library/Logs/DiagnosticReports/Keychain Access_2014-12-29-105804_[redacted].hang
    Dec 29, 2014, 10:54:33 AM    /Library/Logs/DiagnosticReports/Keychain Access_2014-12-29-105433_[redacted].hang
    Dec 29, 2014, 10:52:33 AM    /Library/Logs/DiagnosticReports/Keychain Access_2014-12-29-105233_[redacted].hang
    Dec 29, 2014, 10:50:24 AM    /Library/Logs/DiagnosticReports/Keychain Access_2014-12-29-105024_[redacted].hang
    Dec 29, 2014, 10:50:24 AM    /Library/Logs/DiagnosticReports/Skype_2014-12-29-105024_[redacted].hang

I have realised over time I have created multiple accounts. I have bought music on my iphone and am not able to locate the account that I made most of my purchases on. I have bank statements on the purchases but don't know how to contact someone to help.

I have realised over time I have created multiple accounts. I have bought music on my Iphone and am not able to locate the account that I made most of my purchases on. I have bank statements on the purchases but don't know how to contact someone in Itune to help me. PLEASE

I don't have the app adn no expereince with it, but it appears basec on teh app description you may need it installed on your MAC as well to download the files.
You might find help on the vendors website: http://www.nfinityinc.com/index.html

My MacBook Pro won't go beyond a white screen, after I pushed the restart button. How can I get it to a login? I have routinely backed it up, but don't know how to bring that up, nor if I have a boot file on that external disk. Help!

My MacBook Pro won't go beyond a white screen, after I pushed the restart button. How can I get it to a login? I have routinely backed it up, but don't know how to bring that up, nor if I have a boot file on that external disk. Help!

Take each of these steps that you haven't already tried. Stop when the problem is resolved.
To restart an unresponsive computer, press and hold the power button for a few seconds until the power shuts off, then release, wait a few more seconds, and press it again briefly.
Step 1
The first step in dealing with a startup failure is to secure the data. If you want to preserve the contents of the startup drive, and you don't already have at least one current backup, you must try to back up now, before you do anything else. It may or may not be possible. If you don't care about the data that has changed since the last backup, you can skip this step.
There are several ways to back up a Mac that is unable to start. You need an external hard drive to hold the backup data.
a. Start up from the Recovery partition, or from a local Time Machine backup volume (option key at startup.) When the OS X Utilities screen appears, launch Disk Utility and follow the instructions in this support article, under “Instructions for backing up to an external hard disk via Disk Utility.” The article refers to starting up from a DVD, but the procedure in Recovery mode is the same. You don't need a DVD if you're running OS X 10.7 or later.
b. If Step 1a fails because of disk errors, and no other Mac is available, then you may be able to salvage some of your files by copying them in the Finder. If you already have an external drive with OS X installed, start up from it. Otherwise, if you have Internet access, follow the instructions on this page to prepare the external drive and install OS X on it. You'll use the Recovery installer, rather than downloading it from the App Store.
c. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, start the non-working Mac in target disk mode. Use the working Mac to copy the data to another drive. This technique won't work with USB, Ethernet, Wi-Fi, or Bluetooth.
d. If the internal drive of the non-working Mac is user-replaceable, remove it and mount it in an external enclosure or drive dock. Use another Mac to copy the data.
Step 2
If the startup process stops at a blank gray screen with no Apple logo or spinning "daisy wheel," then the startup volume may be full. If you had previously seen warnings of low disk space, this is almost certainly the case. You might be able to start up in safe mode even though you can't start up normally. Otherwise, start up from an external drive, or else use the technique in Step 1b, 1c, or 1d to mount the internal drive and delete some files. According to Apple documentation, you need at least 9 GB of available space on the startup volume (as shown in the Finder Info window) for normal operation.
Step 3
Sometimes a startup failure can be resolved by resetting the NVRAM.
Step 4
If a desktop Mac hangs at a plain gray screen with a movable cursor, the keyboard may not be recognized. Press and hold the button on the side of an Apple wireless keyboard to make it discoverable. If need be, replace or recharge the batteries. If you're using a USB keyboard connected to a hub, connect it to a built-in port.
Step 5
If there's a built-in optical drive, a disc may be stuck in it. Follow these instructions to eject it.
Step 6
Press and hold the power button until the power shuts off. Disconnect all wired peripherals except those needed to start up, and remove all aftermarket expansion cards. Use a different keyboard and/or mouse, if those devices are wired. If you can start up now, one of the devices you disconnected, or a combination of them, is causing the problem. Finding out which one is a process of elimination.
Step 7
If you've started from an external storage device, make sure that the internal startup volume is selected in the Startup Disk pane of System Preferences.
Start up in safe mode. Note: If FileVault is enabled in OS X 10.9 or earlier, or if a firmware password is set, or if the startup volume is a software RAID, you can’t do this. Post for further instructions.
Safe mode is much slower to start and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
The login screen appears even if you usually log in automatically. You must know the login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
When you start up in safe mode, it's normal to see a dark gray progress bar on a light gray background. If the progress bar gets stuck for more than a few minutes, or if the system shuts down automatically while the progress bar is displayed, the startup volume is corrupt and the drive is probably malfunctioning. In that case, go to Step 11. If you ever have another problem with the drive, replace it immediately.
If you can start and log in in safe mode, empty the Trash, and then open the Finder Info window on the startup volume ("Macintosh HD," unless you gave it a different name.) Check that you have at least 9 GB of available space, as shown in the window. If you don't, copy as many files as necessary to another volume (not another folder on the same volume) and delete the originals. Deletion isn't complete until you empty the Trash again. Do this until the available space is more than 9 GB. Then restart as usual (i.e., not in safe mode.)
If the startup process hangs again, the problem is likely caused by a third-party system modification that you installed. Post for further instructions.
Step 8
Launch Disk Utility in Recovery mode (see Step 1.) Select the startup volume, then run Repair Disk. If any problems are found, repeat until clear. If Disk Utility reports that the volume can't be repaired, the drive has malfunctioned and should be replaced. You might choose to tolerate one such malfunction in the life of the drive. In that case, erase the volume and restore from a backup. If the same thing ever happens again, replace the drive immediately.
This is one of the rare situations in which you should also run Repair Permissions, ignoring the false warnings it may produce. Look for the line "Permissions repair complete" at the end of the output. Then restart as usual.
Step 9
If the startup device is an aftermarket SSD, it may need a firmware update and/or a forced "garbage collection." Instructions for doing this with a Crucial-branded SSD were posted here. Some of those instructions may apply to other brands of SSD, but you should check with the vendor's tech support.
Step 10
Reinstall the OS. If the Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade.
Step 11
Do as in Step 9, but this time erase the startup volume in Disk Utility before installing. The system should automatically restart into the Setup Assistant. Follow the prompts to transfer the data from a Time Machine or other backup.
Step 12
This step applies only to models that have a logic-board ("PRAM") battery: all Mac Pro's and some others (not current models.) Both desktop and portable Macs used to have such a battery. The logic-board battery, if there is one, is separate from the main battery of a portable. A dead logic-board battery can cause a startup failure. Typically the failure will be preceded by loss of the settings for the startup disk and system clock. See the user manual for replacement instructions. You may have to take the machine to a service provider to have the battery replaced.
Step 13
If you get this far, you're probably dealing with a hardware fault. Make a "Genius" appointment at an Apple Store, or go to another authorized service provider.

I downloaded Firefox 6.o but don't know how to install it.

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