Phillip, Have a look @ this recently released AVG article (http://avgclick.me/InstallIsRunning).
AVG Guru
1 .I am unable to update my AVG Internet Security and keep getting this message- 'Update has detected running installation. Complete that installation before starting update. Update failed. I never had this problem earlier. I did upgrade my Windows OS to Windows10 and also updated the AVG for Windows10.
2. I amd also unable to install any other program.Kindly advice.
Phillip, Have a look @ this recently released AVG article (http://avgclick.me/InstallIsRunning).
AVG Guru