For those who want to remove the user name and user account picture from Start Menu, in order to have a blank blue panel at the top, try this:
Start Windows Explorer and go to this folder:
C

Documents and Settings\All Users\Application Data\Microsoft\User Account Pictures
From that folder, rename the BMP file which corresponds to your user account.
( For example, if your username is Robert, rename Robert.bmp to old_Robert.bmp )
Next, rename the following folder:
C

Documents and Settings\All Users\Application Data\Microsoft\User Account Pictures\Default Pictures
to something else, say...
C

Documents and Settings\All Users\Application Data\Microsoft\User Account Pictures\No_Default Pictures
To remove the user name, follow these steps
Start regedit.exe and navigate to the this key:
HKEY_CURRENT_USER \ Software \ Microsoft\ Windows \ CurrentVersion \ Policies \ Explorer
In the right-pane, set NoUserNameInStartMenu value-data to 1
Close Regedit.exe and restart Windows.
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