App store error 20 is an error of Mac system that the Mac users face when they try to update the Mac with the latest version. Mac is a highly expensive and powerful operating system that is very fast and includes improved features. The situation is very annoying when you want to update your Mac with the latest version to experience some new features, but this become impossible due to the app store error 20. But not to worry as you can easily fix app store error 20 just by going through some steps.
Steps to fix app store error 20
The main reason of this app store error 20 is the incorrect profile password provided by the users when they update the Mac and sign in to the app store by an wrong password. The following steps are helpful to fix app store error 20.
> First launch the system preference.
> Move to security and privacy.
> Choose the General tab from the Menu options.
> You will notice a lock icon in that tab. Click on that to make changes.
> Make sure that the same Apple ID you are using that is used to update the original apps. If both the passwords are different then you will face this app store error 20. So sign in with the original ID and password instead of using any other ID and password.
The problem should be fixed now, but in case you still face the same error then a third party tool can fix this issue. Mackeeper Utility is such a tool that can solve this problem. Click here to download the tool. Once it is downloaded install Mackeeper Utility and then scan your PC.
Now the problem will be solved, and you will be able to update your Mac.
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