[tex-live] couldn't install on Windows 7

[T T]

2009/12/21 Harald von Aschen <harald.von.aschen at gmx.de>:
> At 01:10 21.12.2009, Geoffrey S. Knauth wrote:
> Have you changed the standard installation path? (I have changed it, no
> blanks in path and no problems.)

The standard installation path for TL'09 is
%SystemDrive%/texlive/2009, so no spaces there. Did you have it
differently?

> Perhaps looking into your path variable could help? Does command "perl -v"
> work for a normal user in a new console window without switching in any
> TexLive directory structure (e.g. in the installer bin directory)? (Another
> perl version already installed?)

Shouldn't matter. We use wrappers to give precedence to our Perl.

> Is DEP (Data Execution Prevention) enabled for all programs? (It is advised
> to do so, e.g. current Adobe Acrobat security issue,
> http://www.adobe.com/support/security/advisories/apsa09-07.html, but
> sometimes this can have some side effects.) Enable/disable described in
> http://windows.microsoft.com/en-US/windows7/Change-Data-Execution-Prevention-settings

DEP could be the problem given the 0xc0000005 error (access
violation). Worth checking.

Cheers

Tomek