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You receive a "The InstallScript engine is missing from this machine" error message when you try to install Virtual PC 2004

SYMPTOMS
When you try to install Microsoft Virtual PC 2004, you receive the following error message:
1: The InstallScript engine is missing from this machine. If available, please run ISScript.msi, or contact your support personnel for further assistance.
CAUSE
This issue occurs if you try to start Virtual PC Setup by using the Microsoft Virtual PC 2004.msi file from the Virtual PC CD.
RESOLUTION
To resolve this issue, start Virtual PC Setup by using the Setup.exe program. When you run the Setup.exe program from the Virtual PC CD, Setup.exe automatically updates the Windows Installer to the version that you need to install Virtual PC 2004.
VPC, connectix
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Article ID: 835351 - Last Review: 09/10/2011 06:32:00 - Revision: 2.0

  • Microsoft Virtual PC 2004
  • kberrmsg kbprb KB835351
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