If you have attempted or are planning to upgrade to Windows 7 from Windows Vista, you may encounter an issue during the upgrade process. The upgrade may get stuck at 62% with no error messages. It will stay at 62% for a very long time.

If you encounter this situation, follow the steps below:

  1. Restart the computer. This step will roll back the upgrade and you will be able to boot into Windows Vista installation.
  2. Once on the Windows Vista desktop screen, Click on “Start” and Right Click on “Computer”
  3. On the pop-up menu, click on “Properties” and then click on “Advanced System Settings”
  4. On this System Settings screen, click on “Environment Variables” button

Vista System Properties

5. On the next screen, click on “New” button under “System Variables”

6. On the new window, you will see options to enter Variable Name and Variable Value. In these boxes, type the following information:

  1. Variable Name: MIG_UPGRADE_IGNORE_PLUGINS
  2. Variable Value: IphlpsvcMigPlugin.dll

Now click on “OK” and return to the desktop screen.

 

Now restart the upgrade process. This time it should go ahead with the installation process.

If you still face this issue, please leave a comment or submit the details using the “Request Solution” tab on this page.

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