converting mp3 to wma

[Unregistered]

whenever i try to convert my files from mp3 to wma it come up with this message:
Unable to create compression CODEC 'Windows Media Audio V9', please check software installation.

whats going on?
any help will b very much appreciated

[Spoon-]

Have you installed the 'WMA v9 System files'? and rebooted?

[Unregistered]

Have you installed the 'WMA v9 System files'? and rebooted?

yep

[Spoon-]

Sorry don't know then.