I guess ActiveState TableMatrix win32 has a bug. Search groups.google.com for "XlibVtab unexpectedly". The urls are very long, but here is the deal: 

Will Parsons wrote:
> I'm using ActiveState Perl on WinXP.  I installed Tk-TableMatrix via
+ ppm,
> but attempting to use it causes errors:

Tk-TableMatrix ppm from AS is broken with Tk-804. As Pit suggested tod
+ay:
Install the package from http://www.bribes.org/perl/ppm/

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In reply to Re^2: Non editable cells in Tk::TableMatrix by zentara
in thread Non editable cells in Tk::TableMatrix by ravishi

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