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Error 1704 or 1500 while installing Parallels Tools

APPLIES TO:
  • Parallels Desktop 7 for Mac Standard Edition
  • Parallels Desktop 6 for Mac Standard Edition
  • Parallels Desktop 5 for Mac Standard Edition
  • Parallels Desktop 4 for Mac Standard Edition
  • Parallels Desktop 3 for Mac Standard Edition

Symptoms

When you are trying to install Parallels Tools you receive one of the following error message:

  • "Error 1704. An installation of Parallels Tools is currently suspended."
  • "Error 1500. Another installation is already in progress. Complete that install before proceeding with this installation."

Cause

Microsoft Windows installer may be interrupted because of incorrect system shutdown, by antivirus software or system issue. You may need to clear out certain registry keys in order to proceed with installation of Parallels Tools.

Resolution

Solution 1: Remove any in-progress installations.

  1. Launch Windows Registry Editor.
    • On Windows XP
    1. Choose Start > Run, and type regedit in the Open text box; click OK.
    • On Windows Vista
    1. Choose Start then type regedit in the Search box and press return.
  2. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\Inprogress.
  3. If the Inprogress key exists, then delete it.
  4. Try to install Parallels Tools again.

Solution 2: Unregister and then reregister the Windows Installer Service.

  1. Unregister the Windows Installer Service.
    • On Windows XP
    1. Choose Start > Run.
    2. Type msiexec /unreg and click OK.
    • On Windows Vista
    1. Choose Start, type msiexec /unreg in the Search field and press Enter.
  2. Register the Windows Installer Service.
    • On Windows XP
    1. Choose Start > Run.
    2. Type msiexec /regserver and click OK.
    • On Windows Vista
    1. Choose Start, type msiexec /regserver in the Search field and press Enter.
  3. Try to install Parallels Tools again.



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