[erlang-bugs] 64bit windows installer

Raimo Niskanen <>
Wed May 23 17:49:11 CEST 2012

On Wed, Apr 18, 2012 at 03:16:36PM +0100, Emile Joubert wrote:
> Hi,
> While attempting to perform an unattended installation of the 64bit
> R15B01 Windows version of Erlang we discovered a possible flaw with the
> VC++ redistributable version checking.
> If you pre-install vcredist_x64.exe and run the Erlang installer with
> the "/S" flag for silent install, then a dialogue pops up to ask whether
> you wish to repair or remove the x64 redistributable.
> If you pre-install both vcredist_x86.exe and vcredist_x64.exe and run
> the Erlang installer with the "/S" flag then the installation completes
> silently.
> This seems unexpected and might be considered a bug.

I am now digging into this.

Can you search for msvcr100.dll under C:\WINDOWS on your malfunctioning
installation (pre-installed vcredist_x64.exe) to see where it is installed?

Your help is much appreciated.

> -- 
> Emile Joubert
> RabbitMQ
> SpringSource, a division of VMware
> VMware
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> http://erlang.org/mailman/listinfo/erlang-bugs


/ Raimo Niskanen, Erlang/OTP, Ericsson AB

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