What should I do if a "malicious software” error message appears when trying to install my eSource material on Mac? 28 October 2021 09:34 Updated If you encounter this issue, please follow the guide in the link: https://support.apple.com/en-euro/HT202491 Related articles Where can I find the audio of my e-Source material? How do I download resources on my e-Source account after redeeming my code? How do I redeem my e-Source activation code?