This is quoted from the Support page under FAQs/Installation area of the MTU web site.
Question:
Error: 0x80040703 Can not find _ismtu.SetProduct
Answer:
This error is due to your computer not having all of the Windows Updates installed. Please follow these instructions on how to install all of the Windows Updates.
STEP 1
You get to the Windows Update site from this link:
http://windowsupdate.microsoft.com.
IMPORTANT NOTE: You
MUST use Windows Internet Explorer to gather your updates. You
CANNOT use any other Browser (Netscape, Firefox, Opera, etc.).
1. When the page above appears, click on the
Custom button. Your computer will be scanned for what updates are not installed.
2. In the left column, select all items under Optional Software.
3. Then, click on
Install to start the installation.
4. Once the updates are installed, if you see a message to restart the computer, you must do this before continuing.
5. Then go through the same process again until it shows 0 items to be installed.