Closing Drawings Hotfix

This update will repair a problem that may cause a crash when closing drawings.

Description of Problem

AutoCAD® 2007-based products may crash when closing drawings. This problem can also manifest itself while saving or plotting drawings.

Affected Products


(1) Apply this patch only if the installation includes AutoCAD Mechanical 2007 or Autodesk Mechanical Desktop 2007.
(2) Apply this patch only if the installation includes AutoCAD 2007.

Note: This hotfix cannot be applied to AutoCAD LT® 2007. Please see Closing Drawings LT Hotfix to apply to AutoCAD LT 2007.

Installation Instructions

To install the Closing Drawings Hotfix

You must have administrative privileges on your Microsoft® Windows® operating system to complete the installation process.

  1. Close all software applications.
  2. Find the product installation folder; for example c:\Program Files\AutoCAD 2007.
  3. In this folder, right-click the acmgd.dll file and select Properties.
  4. Click the Version tab and confirm the file version.
  5. In the product installation folder, right-click the file acmgd.dll and rename it acmgd.bak.
  6. Download and copy the acmgd.dll file to the same product installation folder.
  7. Right-click the new acmgd.dll file and select Properties. Click the Version tab and confirm that this file is version 17.0.116.0.

Note: To remove this hotfix, delete the new acmgd.dll file that you downloaded to the product install folder and restore the file you renamed in Step 5 to its original name.