Open Close Save Hotfix

This hotfix prevents a fatal error from occurring in AutoCAD® 2009-based products.


Description of Problem

AutoCAD 2009-based products crash and a Customer Error Report (CER) message displays.


Affected Products

(1) Apply this hotfix only if the installation includes AutoCAD 2009.
(2) Apply this hotfix only if the installation includes AutoCAD MEP 2009.
(3) Apply this hotfix only if the installation includes AutoCAD Mechanical 2009 or AutoCAD Mechanical Desktop® 2009.


Installation Instructions

To Install Open Close Save Hotfix

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

This installation requires you to replace the following files:

After you replace these files, you must restart your system in order for this hotfix to take effect.

NOTE: Only apply this hotfix after you have installed an AutoCAD 2009-based product. This installation requires you to modify an installed product, which may cause Windows security warnings to display. For all Windows security warnings that display during installation, click Continue.

To Replace the acdb17.dll File

  1. Close all software applications.
  2. Navigate to your product installation folder; for example C:\Program Files\AutoCAD 2009.
  3. In the product installation folder, right-click the acdb17.dll file and select Properties.
  4. Click the Version tab and confirm the file version.
  5. Rename the affected original file.
  6. Based on the product you have installed and its version of the acdb17.dll file, double click the appropriate file.
  7. Extract acdb17.dll file to the product installation folder; for example C:\Program Files\AutoCAD 2009.
    NOTE: Keep the zip file that you used in step 6 open. Without opening other software applications, immediately proceed to the procedure below .

To Replace the AcSignCore16.dll File

  1. Navigate to your Autodesk Shared folder; for example: C:\Program Files\Common Files\Autodesk Shared.
  2. In Autodesk Shared folder, right-click the AcSignCore16.dll file and select Properties.
  3. Click the Version tab and confirm the file version.
  4. Rename the affected original file
  5. Double-click the zip file you used when you replaced the acdb17.dll file. See To Replace the acdb17.dll File, Step 6.
  6. Extract the AcSignCore16.dll file to the Autodesk Shared folder; for example: C:\Program Files\Common Files\Autodesk Shared.
  7. Restart your system.

To Uninstall Open Close Save Hotfix

  1. In the product installation folder
  2. In the Autodesk Shared folder
  3. Restart your system.