Hello and welcome to justanswer, My name is ***** ***** i will be assisting you today,
I'm sorry about the issue, Please try to run Fixit Program, this program will automatically repair issues that block program installation or removal because of corrupted registry keys. : https://support.microsoft.com/fr-fr/mats/program_install_and_uninstall/en
after you run the program, try to install google earth again
Let me know the results please
Can I connect to your desktop and fix the issue remotly please?
Please downlaod teamviewer from this link : www.teamviewer.com and run it. It will give you an ID and a password. Please tell me the ID and the password ***** I can connect to your desktop and fix the problem remotely.
Note : Do not close teamviewer
if we cant help you solve the issue you will be entitled to a full refund.