Try renaming "My Digital Editions" folder in "C:\Users\<USERNAME>\Documents\" and launch ADE.
Thanks but I don't know how to navigate to "C\ ..etc
- Press Windows + R button in your machine.
- Then type C:\Users\
- Navigate to your User Account
- Open the Documents Folder
Thanks. I renamed it Adobe Digital Reader but it showed the same error. I am going to uninstall it as it doesn't work