Warning: Always make sure to create a backup of registry keys prior to making changes. TweakXP.com accepts no responsibility for problems caused by using Registry Editor incorrectly.
1. Open Registry Editor and move to the following key, creating keys where necessary:
HKEY_CURRENT_USER\Software\Policies\Microsoft\WindowsMediaPlayer
2. Find or create the String Value: TitleBar
3. Double click this value and enter the text you would like to appear after "Provided by".
4. Click OK and close Registry Editor.
For example, In step 3 if I entered "TweakXP.com" the title bar of Windows Media Player will read "Windows Media Player provided by TweakXP.com"
Note: Values in Registry Editor are case sensitive.