Stuart, Don't know if this recently released AVG article helps (http://avgclick.me/InstallIsRunning).
AVG Guru
i have installed avg and for some reason has stopped working,have had advice before going into changes and repair won't work have succesfully unistalled and am trying to reload with copy and paste code but refuses to work says another instalation is running wait till finished but there is'nt any other running what now?
Stuart, Don't know if this recently released AVG article helps (http://avgclick.me/InstallIsRunning).
AVG Guru