Update #12.

httpd-2.2.16-win32-x86-openssl-0.9.8o.msi
    ————> httpd-2.2.17-win32-x86-openssl-0.9.8o.msi
ActivePerl-5.12.1.1201-MSWin32-x86-292674.msi
    ————> ActivePerl-5.12.2.1202-MSWin32-x86-293621.msi
mysql-essential-5.1.50-win32.msi
    ————> mysql-essential-5.1.52-win32.msi
phpMyAdmin-3.3.6-english.zip
    ————> phpMyAdmin-3.3.8-english.zip
ImageMagick-6.6.3-9-Q16-windows-dll.exe
    ————> ImageMagick-6.6.5-8-Q16-windows-dll.exe
MTOS-5.02-en.zip
    ————> MTOS-5.031-en.zip

This time I have no problem.