Hi I was wondering if anyone can help me with an issue I currently have with my mac book air?

• Mac OS rebuilds locale settings. The user interface / window does not appear when running an Adobe AIR application, the Adobe AIR installer, or the Adobe AIR uninstaller. Check the locale settings to see if Latin American Spanish (es-419) is in the list.
• Fix: Download from Mac App Store. If you are on Catalina you might think you have to stick to downloading the new software via Software Update, but you can still grab the download via the Mac App.

For download and installation issues on a Mac, see What to try if you can't install Office 2016 for Mac. I can't find the apps on my Mac. When you install Office for Mac, the app icons aren't automatically added to the dock. To add to the dock, drag the app icon from the Launchpad or the Applications folder.

MacBook Air info:

-Purchased new, late 2012

-Processor: 1.7 GHz Intel Core i5

-Memory: 8 GB 1600 MHz DDR3

Mac Can't Download Chrome

-Storage Capacity: 120 GB

-Storage Capacity Free/Left: 68 GB

-Current OS X 10.9.5 (13F1911)

I am trying to download 'Microsoft One Note' onto my MacBook Air but it won't seem to let me. It keeps coming up with an error message;

'We could not complete your purchase. (null) can’t be installed on “Macintosh HD” because OS X version 10.10 or later is required.'

I have however downloaded and installed the 'macOS High Sierra' recently.

This problem occurs to other apps as well when i try to download them off the App Store onto the MacBook Air.

Any help/advice on what to do?

Posted on Apr 28, 2018 7:06 PM

All Mac OS versions run on a technology called Gatekeeper, It’s designed to ensure that only trusted software runs on your Mac. If the software you are trying to open is not certified you will see a message like this “can’t be opened because apple cannot check it for malicious software.”

Top Examples

• “mysqlworkbench” can’t be opened because apple cannot check it for malicious software.
• “sourcetree” can’t be opened because apple cannot check it for malicious software.

Note: Allowing apps to be installed manually brings potential risk from malware. Programs like Source Tree are legit, however try to make sure you are downloading the latest version of the software and from an authorized website before proceeding.

Bypass “Can’t be opened because apple cannot check it for malicious software.”

Most applications can be easily opened by this method:

Time Needed :2 minutes

“Can’t be opened because apple cannot check it for malicious software.”

1. Method 1

   System Preferences -> Security & Privacy -> click “Open Anyway”.

2. Method 2 – Right Click App

   Instead of double clicking on the app, just right click and press Open.
   You will get a notice “Can’t be opened because apple cannot check it for malicious software.” however you will still get the option to open the program

3. Method 3 “Works for Mac OS Catalina”

   Open “Terminal” App — Applications > Terminal. Use xattr to remove the app from quarantine. Source Reddit
   $ xattr -d com.apple.quarantine <app-path>

Materials

• Mac OS Catelina, Mojave and Older

Apple has removed the option allow all third Party Applications.

Since the release of the Mac OS Catalina apple has removed the option in the Security and Privacy settings to allow programs from “Anywhere” to be downloaded. From now on only individual programs can be given permission to be installed.

1. Why do I get the message “can’t be opened because apple cannot check it for malicious software.”

   Many programs have a notarization issue since the Catalina Update. Apple has tightened its privacy policies and has limited certification to apps only in the app store. Even though there are workarounds most users might feel an unease to install such programs.

Most Common “can’t be opened because apple cannot check it for malicious software.” Errors

• “java 8 update 251” can’t be opened because apple cannot check it for malicious software.
• “jdk 8 update 251.pkg” can’t be opened because apple cannot check it for malicious software.
• “sourcetree” can’t be opened because apple cannot check it for malicious software.
• “runescape” can’t be opened because apple cannot check it for malicious software.
• “mongodb compass” can’t be opened because apple cannot check it for malicious software.
• “mysqlworkbench”
• “Origin”
• “macperformance”
• “appium”
• “nox app”
• “install”

“mysqlworkbench” can’t be opened because apple cannot check it for malicious software.

“mysqlworkbench” refers to MySQL Work Bench is a legitimate program and it should not be considered malware. It is a unified visual tool for database architects, developers, and DBAs. MySQL Workbench also provides data modeling, SQL development, user administration, backup, and much more. MySQL Workbench compatible with most version of Mac OS X, including the latest version Mac OS 10.15.5

“sourcetree” can’t be opened because apple cannot check it for malicious software.

Sourcetree most definitely is not malicious. It interacts with your Git repositories and visualizes and manages your repositories through Sourcetree’s simple Git GUI. It is a Free Git client that is compatible with both Mac OS 10 and Windows 10. Make sure you have downloaded the latest version of SourceTree for Mac

“java 8 update 251” can’t be opened because apple cannot check it for malicious software.

“Java 8 Update 251” (8u251) refers to the latest version of Java 8.0. This is not malicious software however you cannot download the software from the app store therefore the pop up message will show up in all cases. If you are interested in what the latest updates includes you can check out the official update release for Java here.

mysql-8.0.21-macos10.15-x86_64.pkg

The latest MySQL package for mac is appearing to have the same problem. Installing it directly from the official MySQL page will still lead to the same message “mysql-8.0.21-macos10.15-x86_64.pkg” can’t be opened because apple cannot check it for malicious software.

Alternative messages

Mac Can't Download Update

Some users have been receiving a similar message “macOS cannot verify that this app is free from malware”. It is again related to gatekeeper technology where the application is not verified by apple. Many reputable applications have such a message when trying to install on a mac.

Cannot be opened because it is from an unidentified developer mac

Apple software, free download

In this case MacOS is not mentioning that this application is potentially dangerous. This is somewhat confusing as many unidentified developer apps for Mac do receive a message that it cannot be checked for malicious software. If you do however get this message you can still bypass and open the app with the same instructions above.