I had the same problem and just thought I'd share my findings (as it took me ages to find the answer).
Sign out and sign in to the App Store: The first thing you need to do is make sure the Apple ID for. Some Mac users say that they can't download programs from other website except Mac App Store, or they may can't be opened the download file. When they click on the download file, it says 'xxx can't be opened because it is from an unidentified developer'.For example.
- Sign out of App Store.
- Sign out of iTunes.
- Sign into the App Store.
- Sign into iTunes.
- Accept the iTunes Terms.
- Close both App Store and iTunes.
- Open Terminal
- Run the following command: sudo find /private/var/folders -type d -name com.apple.appstore -exec rm -rf {} ;
- Input password when prompted.
- Run this command to reboot your mac: sudo reboot
- After reboot open App Store and try to purchase a app.
![App App](/uploads/1/2/6/7/126712803/141170704.jpg)
That fixed the issue for me, I hope it does the same for you :-)
If you can’t download or update any apps, including free apps, and you see a message about billing or payment, learn what to do.
https://stever885.weebly.com/terraria-free-download-full-version-mac.html. If you want to update apps, you can update them manually or turn on automatic updates. But if your app won't update or is interrupted while it's downloading, try these steps: Jriver media center 21 mac download software.
Connect to Wi-Fi
Download arduino mega driver mac osx. If you’re using cellular data or Wi-Fi and have issues with an app, try to connect to another Wi-Fi network. Learn how to connect to Wi-Fi on your iOS or iPadOS device, on your Mac, or on your Apple Watch.
To check your Wi-Fi connection, try streaming a video from the Internet to see if it loads quickly. Or contact your Internet provider for more help.
Pause and restart the app download
When you firmly press the app from the Home screen, you might see options to Resume Download, Pause Download, or Cancel Download. If the app download is paused, tap Resume Download. Play on linux for os x. If it's stuck, tap Pause Download, then firmly press the app again and tap Resume Download.
Restart your device
If the app appears on your Home screen but is dim or has a white grid with gray lines on it, don't delete the app. Restart your device, then go to the App Store and redownload the app. Learn how to restart your iOS or iPadOS device, Apple Watch, or Apple TV.
If you delete an app, you might lose the content associated with it. Free download skin elcapitan mac.
Get more help
Mac App Store Won't Open
If you still have issues with apps on your device, contact Apple Support.