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Technical Article   Error:  Error 1500. Another installation is in progress

Article ID: 32432
Software:  ArcIMS 9.2, 9.3, 9.3.1 ArcGIS - ArcEditor 9.2, 9.3, 9.3.1, 10 ArcGIS - ArcInfo 9.2, 9.3, 9.3.1 ArcGIS - ArcView 9.2, 9.3, 9.3.1
Platforms: N/A

Error Message

The following error message is displayed when trying to install:

"Error 1500. Another installation is in progress. You must complete that installation before continuing this one."

Cause

The installation process is hung.

Solution or Workaround

  1. Select Start > Run, type regedit and click OK to start the Registry Editor.
  2. Locate and delete the following subkey in the registry:

    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\InProgress
  3. Close all windows and restart the computer.
  4. Start the installation process again.

Created: 1/10/2007
Last Modified: 5/3/2011

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