When users install or download some software applications using the Mac system, they occasionally "XXX software is damaged". The following editors will teach you how to solve this situation:

1. Macos 10.15 and above new systems The application prompts to be damaged and cannot be opened:

Open the terminal (the small rocket icon in the Dock column under the screen "Start the platform" - "Other" -Open the "Terminal"), paste the command below in the terminal: SUDO XATTR -R -D com.apple.quarantine(* Quarantine has a space behind)

Open the "View Da (Smile Face icon)" at the bottom of the screen -select the "Application" on the left sidebar, and then find the software you need to handle to drag behind the command. After entering the password after returning, enter the password. The command to open the Sketch application is:

      SUDO XATTR -R -D Com.apple.quarentine /Applications/sketch.app/

2. Opening the application prompt is damaged because of the new system. In order to strengthen the security mechanism, the new system does not allow users to download and install applications by default. Install application in Store. So how to solve it?

First, open the terminal, find and start the console in the Dock column, and the terminal defaults to the folder of "other".

Then enter the code:SUDO SPCTL-Master-Disable(*Master's front is two short horizontal lines) Note that the red frame is a space.

Enter the password of your computer and press Enter.

3. Open the system preference settings, click security and privacy. If any source is displayed, the process is completed.

4. If there are similar situations that cannot be opened in the following figure, you can also see the processing method below

Select "System Preference Settings -Security and Privacy -GM -Allow to download from the following location" "Still to open", so that the system consent application can run (as shown in the figure below)