How to Fix “We could not complete your purchase” App Store on Mojave

Are you encountering the frustrating error message "We could not complete your purchase" in the App Store on your Mojave operating system? Don't worry, we've got you covered! In this comprehensive guide, we will walk you through the steps to fix this issue and get your App Store working seamlessly again. So, let's dive right in!

Check Network Connectivity

The first thing you need to do is ensure that your network connectivity is stable. Here are some troubleshooting steps you can follow:

• Make sure you are connected to a reliable internet source.
• Restart your modem and router to refresh the network connection.
• Disable any VPN or proxy connections that might be interfering with the App Store.
• Test your network connection on other devices to verify if the issue is specific to your Mac.

Verify Apple ID in App Store & iTunes

Sometimes, issues with your Apple ID settings can cause the "We could not complete your purchase" error. To verify your Apple ID in the App Store, follow these instructions:

• Open the App Store on your Mojave system.
• Click on your Apple ID profile icon at the bottom left corner of the App Store window.
• Select "View Information" and enter your Apple ID password if prompted.
• Ensure that your payment information, billing address, and other details are accurate and up to date.

To confirm your Apple ID in iTunes, follow these steps:

• Open iTunes on your Mac.
• Go to "Account" in the menu bar and select "View My Account."
• Enter your Apple ID password if prompted.
• Verify that your payment information and billing address are correct.

Accept iTunes New Terms & Conditions

Sometimes, failing to accept the new terms and conditions in iTunes can prevent you from completing your purchases. Here's a guide to accepting iTunes terms and conditions:

• Open iTunes on your Mojave system.
• If you are prompted to accept new terms and conditions, click on "Agree" or "Accept."
• Carefully review the terms and conditions before accepting.

Clear App Store Cookies and Cached Files

Corrupted or outdated cookies and cached files can also cause issues with the App Store. To clear App Store cookies and cached files, follow these instructions:

• Open Finder on your Mac.
• Click on "Go" in the menu bar and select "Go to Folder."
• Type "~/Library/Cookies" and press Enter.
• Locate the folder named "com.apple.appstore" and delete it.

Clear App Store Temporary Files

Clearing temporary files in the App Store can help resolve various issues, including the "We could not complete your purchase" error. Here are the steps to clear temporary files:

• Open Finder on your Mac.
• Click on "Go" in the menu bar and select "Go to Folder."
• Type "~/Library/Caches/com.apple.appstore" and press Enter.
• Delete all the files and folders within the "com.apple.appstore" folder.

Upgrade to macOS Catalina

If none of the above steps work, consider upgrading your Mojave operating system to macOS Catalina. Upgrading to the latest macOS version can often resolve compatibility issues and improve overall system performance. Here are the benefits of upgrading to macOS Catalina:

• Enhanced security features and improved privacy settings.
• The latest version of the App Store with new features and optimizations.
• Access to the latest updates and bug fixes.

To upgrade from Mojave to macOS Catalina, follow these instructions:

• Open the App Store on your Mojave system.
• Search for "macOS Catalina" and click on "Get" to initiate the download.
• Follow the on-screen instructions to complete the installation process.

Get Support from Apple

If you have tried all the above steps and are still experiencing the "We could not complete your purchase" error, it is crucial to seek professional help from Apple. Here's why it is important to seek professional help and how to contact Apple support for assistance:

• Apple support experts have in-depth knowledge and experience in troubleshooting Mac-related issues.
• They can provide personalized guidance and solutions tailored to your specific problem.
• To contact Apple support, visit the official Apple website and navigate to the "Support" section. From there, you can choose the most convenient support option, such as live chat, phone support, or scheduling an appointment at an Apple Store.

Encountering the "We could not complete your purchase" error in the App Store on Mojave can be frustrating, but with the steps outlined in this guide, you can resolve the issue and get back to enjoying a seamless App Store experience. Remember to check your network connectivity, verify your Apple ID settings, clear cookies and cached files, and consider upgrading to macOS Catalina if necessary. And if all else fails, don't hesitate to seek support from Apple's experienced professionals. Happy app shopping!