Error 2738 may occur in Windows Vista when a custom install action is required by the SpeechExec software installation and VBScript is not registered.

Try this..

  • Start Button > All Programs > Accessories
  • Right-click onCommand Prompt”
  • SelectRun as Administrator”
  • Type cd and press ENTER
  • Type cd  C:WindowsSystem32 and press ENTER
  • Type regsvr32  vbscript.dll and press ENTER

You should receive a message that the DLL has been successfully registered.

Try the SpeechExec installation again !

Verification Source: Philips website