Mac OS X 10.5 or earlier. Please remove the.pkg files related to that application on the following location: System volume/Library/Receipts; Mac OS X 10.6 or later. The receipts don't exist anymore, instead something like the receipts are stored in another place. This is how you can make them visible: Open Terminal.app (found in /Applications. It even can uninstall virus-infected, crashed, stubborn applications under macOS Sierra. It supports to quickly uninstall single application. It supports to easily uninstall a lot of applications in batches. Uninstall the Mac App store applications as well as uninstall applications you download from other websites. How can you completely uninstall (remove files that belong to a certain package) in Mac OS X? Can this be done using a command in the terminal? I have installed a.pkg package on my Mac and I am wondering as to how I can uninstall the entire package without using a third party application such as UninstallPKG?

Want to uninstall iTunes on your Mac but find it is not easy to finish? Read this post to learn steps to uninstall and reinstall iTunes on Mac (macOS Sierra included).

iTunes Tips & Issues

Uninstalling iTunes on Mac requires some skill and tricky. On a Windows PC, you can easily uninstall iTunes from Start menu > Control Panel > Uninstall a program.

However, iTunes is a default application of Mac OS and when you try to drag the iTunes application file to the Trash, a warning message will pop up and say “iTunes” can’t be modified or deleted because it’s required by OS. Don’t be upset. Here in the following, we will show you how to delete iTunes from Mac, and also share you the way to reinstall iTunes. Keep on.

Part 1. How to Uninstall and Reinstall iTunes on Mac (macOS Sierra)

Step 1. Go to the Applications folder and find the iTunes app.

Step 2. Right-click on iTunes and select Get Info.

Step 3. Locate and click on the padlock icon at the bottom right of the window, and you need to enter your admin password.

Step 4. Click and expand the Sharing & Permissions section. Change the privileges for “everyone” to Read & Write. This will give you complete control of the iTunes application so you can uninstall iTunes from your Mac.

Step 5. Close the Get Info window and drag the iTunes application to the Trash. You can still put back iTunes if you haven’t emptied the Trash.

How to Uninstall iTunes on Mac

Step 6. To reinstall iTunes, just go to App Store or download from the Apple website.

Part 2. An iTunes Alternative Tool to Manage iOS Files on Mac

If you feel disappointed about iTunes and want to manage your iOS files on Mac in a more flexible way, try an iTunes alternative tool – AnyTrans. It is a 100% safe yet professional iOS File Manager works on PC and Mac, allowing you to export, import as well as backup files on iPhone, iPad, iPod, like music, ringtones, videos, photos, contacts, messages, and other up to 31 file types.

Also, it allows you to manage your iTunes library and iCloud backups, viewing backup details and transferring certain items to computer or device. With AnyTrans, you can also transfer files from iPhone to iTunes/Mac/PC, and even to another iOS device. More than anything, unlike iTunes, it will not erase any existing data on your device while syncing. Now, download AnyTrans to have a try.

iTunes Alternative Tool to Manage iOS Files on Mac – AnyTrans

Part 3. An iTunes Alternative Tool to Restore Backup

If you choose to uninstall or reinstall iTunes just for restoring backup, then you may have another better choice. PhoneRescue – iOS Data Recovery can easily get back all your lost files from iTunes backup, like photos, videos, messages, contacts, notes, voice memos, etc. even it’s damaged or encrypted. To ensure maximum recovery rate, it offers you 3 recovery modes: Recover from iOS Device (without backup), Recover from iTunes Backup, Recover from iCloud Backup.

Also, it allows you to preview and selectively recover the files. That’s to say, you can retrieve the files you needed most, but not a blind full restore. The primary one is that it will not wipe any previous data on your device while restoring from iTunes/iCloud backup. Give it a try to restore your backup now.

iTunes Alternative Tool to Restore Backup – PhoneRescue

The Bottom Line

That’s all for how to uninstall and reinstall iTunes on Mac, hope this guide can bring you convenience. If you feel this article is helpful, you can share it with your friends.

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All-mighty Mac system monitor

When your Mac slows down or starts behaving erratically, chances are it's because an application that's running, perhaps in the background, is misbehaving. And if it's not an application that's causing the problem, it will almost certainly be a process associated with macOS or an ancillary service.

Solving this problem is usually as simple as killing the process, but in order to do that you need to identify which one.Here's a comprehensive guide on how to view and kill processes on your Mac.

Best task killers for Mac

Try the best tools that help you find and kill processes hampering your Mac's performance.

How to show which processes consume a lot of memory

The easiest way to view all active processes running on your Mac is to launch Activity Monitor from your Applications folder. In the default CPU tab, you can see how much processing power every process takes, ranked by the most consuming. And if you switch to the Memory tab, you will see the same list ranked by the amount of used up RAM.

For more immediate and elaborate information on how your computer resources are consumed, use iStat Menus, which handily lives in your menu bar and, in its MEM table, shows you applications and processes that are consuming more than their fair share of RAM in real time.

How to kill process using Activity Monitor

1. Launch Activity Monitor.
   The easiest way to launch Activity Monitor is to press Command and spacebar to call up Spotlight, then start typing Activity Monitor. When it appears in Spotlight, hit Return to launch it. Alternatively, go to Utilities in the Applications folder and double-click on its icon. Or open Activity Monitor in one click through iStat Menus app.
2. View and filter tasks.
   You'll notice there are five tabs across the top of the Activity Monitor window: CPU, Energy, Memory, Disk, and Network. Clicking on any of those tabs organizes processes according to the percentage of the resource they are using. So, clicking on CPU lists tasks in the order of how much CPU capacity they're using. By default, processes are ordered starting with the one that's consuming the most of the resource at the top, so you can quickly see where problems are occurring or likely to occur. To flip the order, so that processes consuming the least of the resource are at the top, click the arrow next to Memory or CPU above the list of processes.
   
3. Kill problematic processes.
   When you identify a process that's causing a problem, either because it's hogging lots of CPU cycles or memory, or because it's highlighted in the Activity Monitor as having crashed, you need to kill it. To do that, click on the process first and then on the X in the Activity Monitor toolbar. The process will quit and free up the resources it was taking up. If it's a critical process, it will restart. If it's an application, it will remain shut down.

Activity Monitor alternatives

Get an advanced system monitor for macOS – an improved alternative to the default program.

How to shut down processes using Terminal

How To Uninstall Mac Os

1. Launch Terminal. Press Command and spacebar to pull up Spotlight then start typing Terminal. When the Terminal app appears in Spotlight, tap Return to launch it. Alternatively, navigate to the Utilities folder in Applications and double-click Terminal.
2. View processes. When Terminal has launched, type 'top' into the Terminal window. You'll see a list of currently running processes. At the top of the list is an overview of the processes that are running and the resources they're consuming.
3. Kill an unwanted process. When you identify a process that's causing a problem or consuming too many resources, take note of the number in the PID column next to the name of the process. To kill the process, type 'kill -9' followed by the PID number. Press Enter. The problem process will now quit.

How to prevent problematic processes

You can pretty much avoid issues altogether by being a little bit proactive in hunting down the common culprits. Here, iStat Menus will help you identify which applications or processes are consuming finite resources, such as CPU and RAM.

Macos Uninstall App Terminal

Then, you can use CleanMyMac maintenance routines that, when run regularly, will keep you Mac running smoothly. Here's how to do that:

1. Launch Setapp and search for CleanMyMac.
2. Find the maintenance scripts. Under the Speed section in the left sidebar, click on Maintenance. You will see a list of tasks that CleanMyMac would suggest you to perform to optimize your Mac. You should try to run them all, but the one especially important for us is under Run Maintenance Scripts.
3. Run the maintenance scripts. Click on the checkbox next to Run Maintenance Scripts and then click Run. Alternatively, choose another specific maintenance script such as Speed Up Mail or Reindex Spotlight and click Run. When it's finished, click Select Tasks to return to the list of maintenance tasks.

Run other tasks, as necessary. If you're having problems with Mail, repeat step 3, but this time click the checkbox next to Speed Up Mail. Likewise, if Spotlight is running slowly, run the Reindex Spotlight task.

How to kill a background process

To kill a background process, use Activity Monitor. While the steps are the same as described in the 'How to kill a running process using Activity Monitor' section above, the key difference is that background processes often have obscure names that don't clearly describe what they do.

Be careful when killing a background process and, if not sure, leave it alone or search online for its exact role in your system. Otherwise, you might risk causes problems for your macOS. Generally, background processes don't tend to consume significant RAM or CPU cycles, so if you spot one that does, it has probably got into trouble. Kill it using the X in the Activity Monitor toolbar.

How to easily remove startup items

One common cause of Macs running slowly or having problems is items that launch automatically at startup. These could be helper apps for something like iTunes or just complete apps in their own right. They are also frequently apps you once used but no longer need.

To review the apps and helpers that startup when you log in

1. Launch System Preferences from the Apple menu and click on the Users & Groups pane.
2. Click the padlock and type in your password.
3. Then select your username in the left panel and click the Login Items tab.
4. Look through all the login items that correspond to apps you no longer use and then click the minus button. The app will no longer start up automatically when you log in.

Mac Os Sierra Terminal Uninstall Apps Download

How to Force Quit an application that's not responding

If you see the dreaded spinning beachball, or an app just won't do anything, you should force quit it.

How To Uninstall Apps Mac

There are several ways to force quit an unresponsive application:

1. Press Command-Alt-Esc and click on the application in the window that opens. Press Force Quit
2. Control-click or right-click on the application's icon in the Dock and choose Force Quit
3. Launch Activity Monitor, locate the application and press the 'x' in the toolbar
4. Locate the process in Activity monitor, look for the entry in the PID column and launch Terminal. Type 'kill -9' followed by the PID number. Press Enter

Fix crashing apps with Spindump

While Force Quit will fix the problem, it’s a temporary solution. If you’re determined to identify the source of crashing apps and prevent them from happening, use Spindump on Mac. It’s a hang reporting tool that alerts you about the crash and helps share the details with the app developer.

Whenever the app crashes, it will trigger Spindump and send the information to Apple or the app developer. Not only does it help you understand what just happened, but it also helps the developer track the conditions of app misbehavior — and fix it accordingly. A win-win.

How to create a Spindump file on Mac

1. Launch Activity Monitor via Applications > Utilities
2. Pick the app for which you want to create a Spindump file, then click on the Settings icon
3. Select Spindump or Run Spindump
4. Wait a few seconds for the file to generate
5. Click Save.

Reset a problematic app

There's one more thing you can try if an app keeps running slowly or crashing – reset it. Thanks to CleanMyMac, resetting an app is easy. Here's what you need to do:

1. Locate the uninstaller. In the left hand sidebar of CleanMyMac, click on Uninstaller under Applications.
2. Find the app that's causing a problem. Scroll through the list of apps until you find the one that's been crashing or running slowly. Click on it to highlight.
3. Reset the app. With the app highlighted, you'll see all the files associated with it in the right-hand window. Click Application Reset at the top of the window and all the files, except the main application file, will be selected.
4. Click Uninstall. All the selected files will be trashed, effectively resetting the application to its default state. When you launch it the next time, it will behave as if it has just been installed — so you'll need to recreate any custom settings or preferences.

If resetting the app doesn't work, the final resort should be to uninstall the app completely and reinstall it. To do that, click Complete Uninstallation in the same menu instead of Application Reset.

As you can see there are lots of different ways and apps that help you view and kill processes in macOS. iStat Menus is a great way to passively monitor which processes are causing problems, so you can launch Activity Monitor and quit them. And running CleanMyMac's maintenance scripts regularly prevents problems occurring in the first place. Best of all, all these apps are available to try for free on Setapp, along with over 200 high-quality macOS apps. So check your Mac for problematic processes now and see what you find.

Meantime, prepare for all the awesome things you can do with Setapp.

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