How to Fix App Crashing on macOS Catalina

Here is the solution to fix app crashing on MacOS Catalina. Read on the post to fix the issue on your MacBook

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MacOS Catalina can be seen as a big update over macOS Mojave 10.4. However, after updating to Mac 10.15 version, many MacBook users have complained about app crashing on their computer when opening it. I know your trouble since apps crashing problem is not rare. So in this guide, I will show you a simple instruction to fix app crashing on MacBooks running Catalina 10.15

Solutions to Fix App Crashing on macOS Catalina 10.15

 When you click on the app icon to run it, if there is a window showing up as the image below, it means that the app is already crashed on your computer. In the section below, I will show you a general solution for this issue so that those who are using apps outside Mac App Store that are facing the same trouble, you can easily solve it.

Method 1: Disable SIP on your Mac

System Integrity Protection (SIP), a MacOS security feature first introduced by Apple in OS X El Capitan, helps to protect and prevent malware from modifying the original file of the system, installing applications as well as unsafe extensions.

SIP keeps the data on your Macbook safe. In case there is some threats acctackign your Mac, you shouldn’t disable SIP, since it can keep the security of your MacOS OS away from them.

On MacOS Catalina 10.15 and later, if you want to install applications outside the App Store, disbling SIP is required to install them. Turning on / off SIP is very simple, follow the post below to disable it:

How to Disable System Integrity Protection (SIP)

Method 2: Use Terminal

If you do not like disabling SIP to avoid threats on your Mac, you can still fix app crashing on your mac Catalina by using Terminal commands. Follow these steps below to get rid of annoying issue on your Mac.

Step 1: Install command line tools. This command only runs 1 time. If you have previously runit, skip this step.

xcode-select
--install

 Step 2: Next, continue to run the following command:

sudo codesign --force --deep --sign - /Applications/app_crashing_name.app

From /Applications/app_crashing_name.app, you do not need to type the name of the app crashing. Instead, simply head to Application  then drag and drop the app into Terminal window.

For example, I want to fix iThoughtsX app, paste the command:

sudo codesign --force --deep --sign –

then open Application and drag iThoughtsX app into Terminal window, and hit Enter.

Step 3: When prompted, enter the passcode of your Mac and hit Enter. When you enter the passcode it will not show up anything, just enter the correct password. Now, reopen the app crashing and you will see the magic!

If you have any question, let’s know in the comment below, I absolutely help you.

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