Get_type_metrics': UnableToReadFont '(null)'

my os windows-xp
rails -1.2.3
i got this error with rmagick

./script/…/config/…/vendor/plugins/captcha_generator/lib/captcha_generator.rb:32:in
get_type_metrics': UnableToReadFont(null)’ (Magick::ImageMagickError)

Pokkai D. wrote:

my os windows-xp
rails -1.2.3
i got this error with rmagick

./script/…/config/…/vendor/plugins/captcha_generator/lib/captcha_generator.rb:32:in
get_type_metrics': UnableToReadFont(null)’ (Magick::ImageMagickError)

vendor/plugins/captcha_generator/lib/captcha_generator.rb:59:in write': RegistryKeyLookupFailedCoderModulesPath’ (Magick::ImageMagickError)

can anyn one help me