I cannot uninstall Firefox and it won't let me install a new version.

Firefox will no longer open up so I can use it to browse. I tried downloading it to reinstall but it tells me I have to close Firefox as it is running. How do I do that? I've always used Firefox as my browser and now, it will not open so I've had to switch to Chrome or IE. I would like to have my Firefox back. How do I fix this? If I try to install a new version it repeats the 'close Firefox as it is running'. But yet, I am not using it as it will not open.

I found out I have the same problem. Everything but New, Choose New Theme and open are available. However, when I click new or choose nothing happens. I've reinstalled twice but I can't find any answers.

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I have the adobe cloud 9.99/ month photography package i downloaded lightroom 5.4, it told me it was a trial version, and i'm now at the end of the trial and it won't let me download the full version and i don't have a serial number

i have the adobe cloud 9.99/ month photography package i downloaded lightroom 5.4, it told me it was a trial version, and i'm now at the end of the trial and it won't let me download the full version and i don't have a serial number. also, when i click buy, i get an error message saying, "application not found."

There are two different LR’s, one with a serial-number licensing and one with a CC-signin license.
You should uninstall the serial-number LR you have installed, then
Quit the CC Desktop application,
Restart the CC Desktop application—this will rescan what you have installed and not see LR,
LR will now be on the CC Desktiop apps list, so install that.

My macbook won't let me download the new version of itunes and my ipod won't sync without the new version of itunes

My macbook won't let me download the new version of itunes and my ipod won't sync without the new version of itunes. Please help!!!

Are you running Snow Leopard or later?
Upgrading to Snow Leopard
You must purchase Snow Leopard through the Apple Store: Mac OS X 10.6 Snow Leopard - Apple Store (U.S.). The price is $19.99 plus tax. You will be sent physical media by mail after placing your order.
After you install Snow Leopard you will have to download and install the Mac OS X 10.6.8 Update Combo v1.1 to update Snow Leopard to 10.6.8 and give you access to the App Store. Access to the App Store enables you to download Mountain Lion if your computer meets the requirements.
     Snow Leopard General Requirements
       1. Mac computer with an Intel processor
       2. 1GB of memory
       3. 5GB of available disk space
       4. DVD drive for installation
       5. Some features require a compatible Internet service provider;
           fees may apply.
       6. Some features require Apple’s MobileMe service; fees and
           terms apply.

Quicktime won't uninstall or won't let me download a new version.

My computer won't let me uninstall Quicktime, its saying the file is not found but it won't let me download a new version becuase its saying another version is on my computer. Please Help!

its saying the file is not found
Doublechecking before proceeding. Is that the QuickTime.msi file?

I have been using itunes all day and then it wanted me to install a newer version. When I did it said I can't because it's missing mdsvr80 or something so i downloaded that now it has another error. How do I get itunes back the way it was or to work?

I have been using itunes all day and then it wanted me to install a newer version. When I did it said I can't because it's missing mdsvr80 or something so i downloaded that now it has another error. How do I get itunes back the way it was or to work?

See this User Tip by turingtest2
https://discussions.apple.com/docs/DOC-6562

I have a four year old version of Firefox and it won't let me update to the most recent version. Help.

Current installed version of Firefox is 2.0.0.4 - 2006. I'm trying to upgrade to 3.6.8; while it will download, I don't get a prompt to drag it into the Applications folder. I think my installed version is so old it won't recognize the new one. What do I do to make the new version install?

You have not specified the version of Mac OS X you are using. If you have 10.3.9 or earlier, the last version you can use is Firefox 2.0.0.20 available from ftp://ftp.mozilla.org/pub/mozilla.org/firefox/releases/2.0.0.20/mac/en-US/
Firefox 3 and above require at least OS X 10.4
If you do have 10.4 or above, see [[Installing Firefox on Mac]]

I downloaded something that cannot be located, and it won't let me re-download it again? iTunes 11

So I purchased something that I downloaded on another computer. For some reason it won't let me re-download the product to the one I'm using now, because it shows up as "Downloaded" on the Purchased screen. Do I have to buy the album again just to download it again?

You have to update via iTunes.
iOS 4: Updating your device to iOS 5 or later
The Update in settings is in iOS 5 and later.

I have a windows 8 operating system and it won't let me install quicktime please help

I have a windows 8 operating system and it wont let me install quicktime

You have to update via iTunes.
iOS 4: Updating your device to iOS 5 or later
The Update in settings is in iOS 5 and later.

I go to open up firefox and it shows at the top Restore Session - Mozilla Firefox and freezes won't let me do anything

firefox won't run

It is possible that there is a problem with the files sessionstore.js and sessionstore.bak in the Firefox Profile Folder.
Delete the files sessionstore.js [2] and sessionstore.bak in the Firefox Profile Folder.
* Help > Troubleshooting Information > Profile Directory: Open Containing Folder
* http://kb.mozillazine.org/Profile_folder_-_Firefox
If you see files sessionstore-##.js with a number in the left part of the name like sessionstore-1.js then delete those as well.<br />
Deleting sessionstore.js will cause App Tabs and Tab Groups and open and closed (undo) tabs to get lost, so you will have to create them again (make a note or bookmark them).
See also:
* [1] http://kb.mozillazine.org/Session_Restore
* [2] http://kb.mozillazine.org/sessionstore.js

I have a really old iMac and it won't let me download the new firefox but I still have the old one which works so does that mean that they removed the old iMac from the new firefox?????

My old firefox is version 2.0.0.11 which supports my system.
The new firefox dosn't

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 have OSX 10.5.8 on my powerbookG4, but it won't let me install the new firefox, and my old version has disappeared. Any suggestions

I can't install firefox on mu powerbookG4

Firefox 4 versions and later do not run on a PowerPC Mac and require at least OS X 10.5 and '''an Intel Mac'''.
see [http://www.mozilla.org/en-US/firefox/9.0.1/system-requirements/ Firefox 9.0.1 System Requirements]
'''The latest supported version for your os is 3.6.25 '''you can download from here:
http://www.mozilla.org/en-US/firefox/all-older.html
[http://www.mozilla.org/en-US/firefox/3.6/system-requirements/ Firefox 3.6 System Requirements]
For older Macs that aren't supported in Firefox 4+ versions if you like 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
thank you
Please mark "Solved" the answer that really solve the problem, to help others with a similar problem.

HT4527 I completed all of the steps to transfer my library from one computer to another through home sharing, but the "Import" button is faded like I cannot use it and it won't let me import and complete the final step. How do I fix this?

Its in the title.

Nothing in the instructions about transferring via "HomeSharing" states to use the Import button.
Have you actually read the instructions?
What specific step are you having an issue with?
The article from which your question was posted provides details on how to transfer the iTunes library multiple ways, did you try one of the other methods?

My app store isn't working anymore and it won't let me download any new apps and i am just wondering how to fix that?

How do i get so that my app store will let me download the apps i want?

Try:
- Reset the iOS device. Nothing will be lost
Reset iOS device: Hold down the On/Off button and the Home button at the same time for at
least ten seconds, until the Apple logo appears.
- Go to Settings>iTunes and App Store and sign out and sign back in
- Reset all settings
Go to Settings > General > Reset and tap Reset All Settings.
All your preferences and settings are reset. Information (such as contacts and calendars) and media (such as songs and videos) aren’t affected.
- Restore from backup. See:
iOS: How to back up
- Restore to factory settings/new iOS device.

I can't get the new Maverick OS I downloaded to work with iTunes. I am trying to copy some songs onto an SD card and it won't let me create a new folder or click and drag the tunes onto a folder or into the current SD card. What am I doing wrong?

I can't get the files to drag onto a file or onto the SD card. What should I do?

Did you accidentally engage the lock slider on the side of the card? What exact error messages are you seeing?

HT1420 no computers are authorized and it won't let me authorize my new mac

I dont know what to do it doesn't give me any options.

How are you trying to authorise your account on your computer's iTunes ? There should be an Authorise option under the Store drop-down menu e.g.
Is that option not showing ?

I cannot uninstall Firefox and it won't let me install a new version.

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