Change My Documents / Music / Pictures path?

1. Click Start -> Run, and type in "regedit" (no quotes) and press enter on the keyboard.
   
2. RegEdit will appear. Navigate to HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Explorer \ Shell Folders.
   
3. Right click on the folders you want to change and select Modify.
   
4. Change the path of your folder to the new path (example: d:\my music).
   
5. Reboot your computer.