For detailed information, you can go to the next part. You can get rid of this error by changing some settings or update iTunes software. When you try to download or update some programs, your computer might fail to identify the digital signature that is used to authenticate the applications to protect the users from virus or malware, and then the invalid digital signature on iTunes will happen. ITunes is software program, still available on Windows and older Mac operating systems, designed as a media player, media library, mobile device management utility, and the client app for the iTunes Store.īut iTunes as an app won't exist on the new Mac operating system, but you'll still be able to buy music from the iTunes Store, on the sidebar in the new Music app. Fix the iTunes Has an Invalid Signature Error.To fix this issue, the article on MiniTool Website will give you a guide. The iTunes has an invalid signature error is a common issue for this program, which usually happen when your computer fails to detect the digital signature for the application downloading. Now you'll see an iTunes Software Update window.Īfter the installation finished, you can restart your Mac and launch our BuhoUnlocker to try again to unlock your device. Confirm to update if any new patch is available.Īfter iTunes update completed, you need to unplug and replug your device to your Mac (this step is required). iTunes will connect to Apple's servers and check for updates.If you use a Mac that runs macOS High Sierra or older, you can update iTunes to the latest version via Mac App Store or via iTunes Settings. Update iTunes on macOS High Sierra and Earlier

By doing so, all iTunes related drivers and components will also get updated to the latest version. It's easy to fix the error because you're only required to update your iTunes software version. It usually occurs if your Mac is running macOS 10.13 and older versions. In general cases, this error is caused by outdated, malfunctioning or intact iTunes components. iTunes software update is required to connect to this device. This manual guide describes how to perform troubleshooting when you see an error message saying Unlocking failed.

Update itunes software