Checking if your kit is complete...
Looks good
Writing Makefile for Tk::Stderr

Microsoft (R) Program Maintenance Utility Version 7.10.3077
Copyright (C) Microsoft Corporation.  All rights reserved.

cp Stderr.pm blib\lib\Tk\Stderr.pm

Microsoft (R) Program Maintenance Utility Version 7.10.3077
Copyright (C) Microsoft Corporation.  All rights reserved.

	C:\cpanrun\build\5-10-0\bin\perl.exe "-MExtUtils::Command::MM" "-e" "test_harness(1, 'blib\lib', 'blib\arch')" t/*.t
t/1....1..2
# Running under perl version 5.010000 for MSWin32
# Win32::BuildNumber 1001
# Current time local: Fri Jan 11 15:37:18 2008
# Current time GMT:   Fri Jan 11 23:37:18 2008
# Using Test.pm version 1.25
ok 1

There should be two lines following this one:
this is warning number 10 at t/1.t line 39.
Printed to STDERR, line 011
ok 2
ok
All tests successful.
Files=1, Tests=2,  3 wallclock secs ( 0.00 cusr +  0.00 csys =  0.00 CPU)

Microsoft (R) Program Maintenance Utility Version 7.10.3077
Copyright (C) Microsoft Corporation.  All rights reserved.

Installing C:\cpanrun\build\5-10-0\html\site\lib\Tk\Stderr.html
Installing C:\cpanrun\build\5-10-0\site\lib\Tk\Stderr.pm
Appending installation info to C:\cpanrun\build\5-10-0\lib/perllocal.pod