To mask the password character, Windows Internet Explorer 9 uses a black circle character. On a website in which you type Japanese or Korean characters for a password, the characters are displayed as large circles. Therefore, the password mask character seems not to fit in the password entry box.
This behavior also occurs if you use Windows Internet Explorer 7. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
956609 Internet Explorer 7 shows a password mask character that is too large for a password entry box on a Japanese Web site
This behavior is considered a display problem, and the content of the password is unaffected.
To resolve this problem, install this update.
Security update information
To resolve this issue, install the most recent cumulative security update for Internet Explorer. To do this, visit the following Microsoft website: