Vista Home Premium.
4.7 failed to update to 4.8 I would fire up the program, it'd do the memory test and.... nothing. My system tray icon went walkies, too.
So I downloaded the 4.8 installer. I uninstalled 4.7 but, the /program files directory remains with that one .dll in it, otherwise empty.
I
CANNOT delete it. Explorer.exe retains a hook on it.
I can't install 4.8 because it's finding the hook and rejecting it. I have temporarily installed AVG 8 but even that complained that another av was running.
I need to delete the .dll