Getting Rid of Unread Email Messages

To remove the Unread Email message by user's login names:
Start Regedit
For a single user: Go to HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVe rsionUnreadMail
For all users: Go to HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentV ersionUnreadMail
Create a DWORD key called MessageExpiryDays
Give it a value of 0