TuneUp 2015 won't install. It stops with Error writing to file C:\ProgramFiles\AVG\AVGPC TuneUp\lib

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AVG Guru

Colin, Did you follow this article (http://avgclick.me/downloadAVG)?.
AVG Guru

TuneUp 2015 won't install. It stops with-
 Error writing to file  C:\ProgramFiles\AVG\AVGPC TuneUp\libcef.dll
I have the previous years version running and also AVG Internet Security.
System is on MS XP