An extra character might be displayed during OOBE for Traditional Chinese Windows Vista
In Traditional Chinese Vista system, if we defined the OEM wallpapers like the below,
On the wallpaper selection page in Windows Welcome (OOBE). the text in Traditional Chinese has a grammatical error. An extra, unneccessary, Chinese character is displayed under the OEM wallpaper selection.
For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB970610.