I have uploaded to
https://sourceforge.net/projects/csound/files/csound6/Csound6.07/Setup_Csound6_x64_6.07.0rc2.exe/download
an updated release candidate installer for Csound on Windows all built
for 64 CPU architecture.

This should now put the Microsoft runtime libraries in the regular
Csound bin directory, and also includes the FLOSS and McCurdy examples
for CsoundQt, plus all changes recently made in the develop branch of
Csound and CsoundQt.

Regards,
Mike

-----------------------------------------------------
Michael Gogins
Irreducible Productions
http://michaelgogins.tumblr.com

I think your Python DLL is for 32 bit CPU.

SysWOW64 contains 32 bit binaries. The name is confusing. The 'System32' folder is for 64-bit files and the 'SysWOW64' folder is for 32-bit files.

Regards,
Mike

On Apr 7, 2016 2:36 PM, "Tarmo Johannes" <trmjhnns@gmail.com> wrote:
>
> Hi,
>
> everything else is fine in CsoundQt, but
>
> - python opcodes give result:
> WARNING: could not open library 'C:/Program Files/Csound6_x64/plugins64\py.dll' (-1)
>
>  Although the py.dll is there. Maybe something to do with conflict between / and \ in the file path? Does anyone else have that?
>
> (I also needed to copy python27.dll to bin folder from C:\Windows\SysWOW64 I don't know why it was not found otherwise)
>
> There is no PythonQt support (it is OK, if you decide so but you said it is easy to add)
>
> My recent ScanneD Synthesis example does not work - my mistake, I added a fix for handling better examples with embedde binary files (<CsFileB> tags).
>
> And the program throws an error message as if not exited cleanly but that is not a problem.
>
> I tested it on Windows 7 Professional.
>
> Best!
> tarmo
>
> 2016-04-07 6:59 GMT+03:00 Michael Gogins <michael.gogins@gmail.com>:
>>
>> I have uploaded to
>> https://sourceforge.net/projects/csound/files/csound6/Csound6.07/Setup_Csound6_x64_6.07.0rc2.exe/download
>> an updated release candidate installer for Csound on Windows all built
>> for 64 CPU architecture.
>>
>> This should now put the Microsoft runtime libraries in the regular
>> Csound bin directory, and also includes the FLOSS and McCurdy examples
>> for CsoundQt, plus all changes recently made in the develop branch of
>> Csound and CsoundQt.
>>
>> Regards,
>> Mike
>>
>> -----------------------------------------------------
>> Michael Gogins
>> Irreducible Productions
>> http://michaelgogins.tumblr.com
>> Michael dot Gogins at gmail dot com
>
>

Oh!
That could be the secret. Funnily there was no python27.dll in windows/System32 and I dont remember python offering a separate 64bit install but I will investigate it.
Thanks!
Tarmo