Why do i get an error message when trying to install PC tune up 2014 update? it tells me i need a valid copy of Lang_en-US.msi

Hi Stephen,
Unfortunatelly you didn't provided us with any file, link etc.
Thanks

Hi john,
In order to analyze it please provide us with diagnostic output using this tool (http://download.avg.com/filedir/util/AVG_SysInfo.exe) and please add detailed description of issue.
Thanks

Here is the results

Hi john,
In order to analyze it please provide us with diagnostic output using this tool (http://download.avg.com/filedir/util/AVG_SysInfo.exe) and please add detailed description of issue.
Thanks

why do i get an error message when trying to install PC tune up 2014 update?  it tells me i need a valid copy of Lang_en-US.msi.
Thanks.
John Plummer

Here is the results

Hi Stephen,
Unfortunatelly you didn't provided us with any file, link etc.
Thanks