Qaz:

• 1- Click START, RUN
  Type REGEDIT and hit ENTER key
  In the left panel, click the "+" to the left of the following:
  HKLM\Software\Microsoft\Windows\CurrentVersion\Run
  "StartIE"="C:\WINDOWS\NOTEPAD.EXE qazwsx.hsq
  
• 2-In the right panel, search for any of the
  registry key that contains the data value of
  startIE=XXXX\Notepad.exe.
  
• 3-In the right window, highlight the registry key
  that loads the file and press the DELETE key.
  Answer YES to delete the entry.
  
• 4-Exit the registry.
  
• 5-Click START,SHUTDOWN. Choose "Restart" and click OK.
  Use the Find Tool under the Start Menu to find and rename
  Note.com to Notepad.exe.