Error code: 0xC0070643

Cathy, Do you have any previous version of AVG or any other antivirus, including Windows Defender, installed on your PC?.
AVG Guru

I have tried to install AVG Antivirus on my Windows 10 machine.  Downloads & goes through intallation process until it restarts, then gives an error message:
Error code: 0xC0070643
Description: Event exec_finished

Has anyone else encountered this error? Solutions?​​

Cathy, Do you have any previous version of AVG or any other antivirus, including Windows Defender, installed on your PC?.
AVG Guru