Error Message: This copy of the Install macOS Catalina application is damaged, and can’t be used to install macOS.
Are you having this problem? This article explains how you can fix this macOS application damaged error.
The rigamarole of rebooting to macOS Recovery, disabling SIP, rebooting back to normal mode, doing something (that actually can be done the first time booted to macOS Recovery without disabling SIP), rebooting again the macOS Recovery, enabling SIP, rebooting again back to normal mode it a totally needless dance and a utter waste of time. Following are the manual steps to Uninstall Apps in Mac OS: Navigate to Finder and select the Applications folder. Now, move the unwanted application to the trash bin. This is followed by removing the service files of the deleted app from the library folder as well, which is hidden by default. Catalina marked the end of 32-bit apps for macOS, something Apple had provided over a decade of transition help with and two years of warnings about for consumers.
Please try each step one at a time until you resolve your issue.
1. Please make sure that you are trying to update to macOS Catalina by going to Apple Menu > System Preferences > Software Update. Do not use any other non-Apple source, such as a third party web site.
2. Delete the damaged macOS version and retry to download again. The copy of the damaged file is located in /Applications folder. You can also use the Terminal to do this. Here is how:
Open the Terminal app (Applications > Utilities) (you can use Spotlight)
Copy and paste the following command
Press enter, you may have to enter your admin password
This will delete the app, now you need to re-download and install Catalina. Simply click the Upgrade Now button.
https://flonew328.weebly.com/blog/mac-delete-app-asks-for-password. It was done successfully and I can see the new name of my home directory but certain folders in Mac HD have a red dot with a - symbol. I tried to change permissions using Get Info and added my user name after which I can view the files but when I try to delete the files it keeps on asking for my password. Just so everyone knows, I just bought a new mac and used the migration assistant. When the two accounts merged, I kept getting a pop up requesting for password everything I had to rename, move or delete any file. Arrange the Settings of iTunes & App Store. The App Store keeps asking for passwords maybe.
3. Try removing installinfo.plist. Here is how:
The first best media player for pc on the list is 5K Player. Similar to VLC Player, 5K Player. ITunes (macOS, iOS, Windows) iTunes is Apple’s own program for media playback. MX Player is a widely used multifunctional media player for the Android devices that has. Mac apps like vlc. Media Player Classic. It is one of the best and top-rated media player software available for the. ITunes is a free application for Mac and PC. It plays all your digital music and video. It syncs content to your iPod, iPhone, and Apple TV.
Open Terminal and enter the followign command and press enter:
4. If still having this issue, this may be due to the invalid time on your Mac. You may have to correct this. Here is how:
On your Mac, go to System Preferences > Date & Time. Is this showing the correct time and date? If not change it. And check the “set date and time automatically” box. Close this and retry again.
If you are stuck before the OS installed (you are unable to access System Preferences), and then you may try the Terminal app to do this. Here is how:
Click the Utilities menu (from the macOS Utilities menu) and select Terminal
Enter the following command and hit enter
date
Is it the correct info? If not, change please by using the date {month}{day}{hour}{minute}{year} format. Brackets should be replaced with a two-digit number such as October 8, 2019 11:36 Am (today’s date and current time) would become date 1008113619
Type this and press enter
Now quit Terminal and try downloading Catalina again.
See also: Apple ID Settings problem
By Tasnia Salinas, on January 27, 2020, in Mac Uninstaller
I'm running Catalina on my MacBook Pro (2014). Everything works fine except QuickTime, which does not run properly. How can I remove QuickTime on my Mac? I tried taking it from the App folder and putting it in the trash but, I received this message, 'QuickTime Player' can't be deleted because it's required by macOS.' Any help would be appreciated?
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What Is QuickTime? QuickTime is an extensible multimedia framework developed by Apple, capable of handling various formats of digital video, picture, sound and panoramic images. First made in 1991, the latest Mac version, QuickTime X, is currently available on Mac OS X Snow Leopard and newer. Apple ceased support for the Windows version of QuickTime in 2016 ( App Can't Be Opened Because Apple Cannot Check It for Malicious Software.).
QuickTime for Microsoft Windows is downloadable as a standalone installation, but for macOS, QuickTime is bundled with the system and does NOT allow to get rid of. For whatever the reason you want to uninstall QuickTime on Mac, you can follow this quick tutorial to get started (Learn How To Uninstall Safari on Mac).
Table of Content:
Part 1: Pre-check List Before Uninstalling QuickTime on Mac Catalina
Be very careful that, if you're not an advanced Mac OS user and are not exactly sure what to do, we strongly advise you NOT to uninstall QuickTime from your Mac because it's a crucial part of macOS (Best Mac Cleaner 2020). Before starting removing QuickTime player, make sure you have checked the following reminders ( What Is Other On Mac Storage).
The reason you cannot uninstall QuickTime on Mac using the standard way is that Apple seeds QuickTime under Apple System Integrity Protection (SIP). It's an efficient way to prevent users from accidentally damaging the viability of the system.
Even if QuickTime can always be restored by downloading from the App Store, you still risk losing your QuickTime extensions, bookmarks and browsing history.
Once again. Be careful with every thing you do and make sure you fully understand what you are doing in every step.
Part 2: How To Completely Uninstall QuickTime on Mac
Apple stopped selling registration keys for QuickTime Pro version since 2016, and it become a major reason of that users hardly get satisfied with its limited features. Besides, VLC player is a great option for video playback in many aspects. Anyway, here are the detailed steps to uninstall QuickTime on your Mac (Learn How To Uninstall iTunes Mac).
Step 1. Type the follow command lines in Terminal:
Step 2. Enter your passcode when asked > Copy and paste the following command lines in Terminal:
Delete Apps Macos Catalina Mac
How To Uninstall QuickTime Player on Mac Step 2
Step 3. Enter Next:
Step 4. Make note of the QuickTime BOM's > Remove them One by one Typing:
Now you may get QuickTime uninstalled on your Mac. To re-install QuickTime, go to Apple App Store, search QuickTime and re-download it on your Mac in case macOS will need some crucial components inside QuickTime. Need a masterful Mac App Uninstaller program? Get Omni Remover - Give it a try here: Free Download Now >
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Requirements: OS X 10.8+ , 13.1Mb free space Version 3.2.5 (27 January, 2020) / Support macOS Catalina Category: Mac Uninstaller