Mac Fix App Is Damaged
May 17, 2011 How to fix damaged app message on macOS Sierra or later. To resolve Gatekeeper issues on macOS Sierra and unlock images and programs ( annoying image/application is damaged messages pretending you cannot open things ). For that reason you might have to completely disable Gatekeeper checks, and to do that open your terminal and type. Feb 13, 2019 I was having a different problem than initially described in this post, but step 4 solved my problem. Since updating to 10.14.6 from either.5 or.4 (can’t remember which), I’ve been having this issue where, if I download an updated version of an application and drop it into the applications folder, overwriting the old version, that new application gets put into “App Translocation.
Several users have reported that they receive the error message below when they attempt to upgrade to macOS Catalina.
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.
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.
3. Try removing installinfo.plist. Here is how:
Keep in mind that the drivers given in this list are compatible with almost all devices made by the respective brands. Lg g2 software.
- Open Terminal and enter the followign command and press enter:
Mac Fix App Is Damaged Screen
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.
Mac Fix App Is Damaged Computer
See also: Apple ID Settings problem