Advanced Chemistry Development ACD/ChemSketch Freeware DLL DM3DOPT.DLL

Troubleshoot DM3DOPT.DLL Issues (Free Download)

Last Updated: 11/27/2023
[Time Required for Reading: 3.5 minutes]

ACD/3D Optimization Library files such as DM3DOPT.DLL utilize the DLL file extension. This file is considered a Win64 DLL (Dynamic link library) file, and was first created by Advanced Chemistry Development for the ACD/ChemSketch Freeware 2018.1 software package.

The initial introduction of DM3DOPT.DLL released in ACD/ChemSketch Freeware 2018.1 was for Windows 10 on 12/05/2018. This is the most recent release date from Advanced Chemistry Development, according to our records.

Please see below for more detailed information, DLL file troubleshooting instructions, and free downloads of different versions of DM3DOPT.DLL.

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File Overview


General Information ✻
File Name: DM3DOPT.DLL
File Extension: DLL file extension
Description: ACD/3D Optimization Library
Object File Type: Dynamic link library
File Operating System: Win32
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: Advanced Chemistry Development Inc.
Software Program: ACD/ChemSketch Freeware 2018.1
Legal Copyright: Copyright © ACD Inc. 1994-2019
File Details
Character Set: Windows, Latin1
Language Code: English (U.S.)
File Flags: (none)
File Flags Mask: 0x0000
Entry Point: 0x4282e0
Code Size: 4423168
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What are DM3DOPT.DLL Error Messages?


Dynamic Link Library DM3DOPT.DLL Errors

DM3DOPT.DLL is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like DM3DOPT.DLL, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like Setup.exe - to follow. These files were created so that multiple programs (eg. ACD/ChemSketch Freeware) could share the same DM3DOPT.DLL file, saving valuable memory allocation, therefore making your computer run more efficiently.

Unfortunately, what makes DLL files so convenient and efficient, also makes them extremely vulnerable to problems. If something happens to a shared DLL file, either it goes missing or gets corrupted in some way, it can generate a "runtime" error message. Runtime is pretty self-explanatory; it means that these errors are triggered when DM3DOPT.DLL is attempted to be loaded either when ACD/ChemSketch Freeware is starting up, or in some cases already running. Some of the most common DM3DOPT.DLL errors include:

Your DM3DOPT.DLL file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with ACD/ChemSketch Freeware), or deleted by a malware infection. Furthermore, DM3DOPT.DLL file corruption could be caused from a power outage when loading ACD/ChemSketch Freeware, system crash while loading DM3DOPT.DLL, bad sectors on your storage media (usually your primary hard drive), or quite commonly, a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

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How to Fix DM3DOPT.DLL Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your DM3DOPT.DLL issue. These troubleshooting steps are listed in the recommended order of execution.


Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. When you see the search box, type "System Restore" and press "ENTER".
  3. In the search results, find and click System Restore.
  4. Please enter the administrator password (if applicable / prompted).
  5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
  6. Restore your computer to that backup image.

If the Step 1 fails to resolve the DM3DOPT.DLL error, please proceed to the Step 2 below.

Step 2: If recently installed ACD/ChemSketch Freeware (or related software), uninstall then try reinstalling ACD/ChemSketch Freeware software.

You can uninstall ACD/ChemSketch Freeware software by following these instructions (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "Uninstall" and press "ENTER".
  3. In the search results, find and click "Add or Remove Programs"
  4. Find the entry for ACD/ChemSketch Freeware 2018.1 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall ACD/ChemSketch Freeware software.

If this Step 2 fails as well, please proceed to the Step 3 below.

ACD/ChemSketch Freeware 2018.1

Advanced Chemistry Development

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many DM3DOPT.DLL error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

  1. Hit the Windows Start button
  2. In the search box, type "Update" and press "ENTER".
  3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
  4. If updates are available for download, click "Install Updates".
  5. After the update is completed, restart your PC.

If Windows Update failed to resolve the DM3DOPT.DLL error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.

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If Those Steps Fail: Download and Replace Your DM3DOPT.DLL File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate DM3DOPT.DLL file version. We maintain a comprehensive database of 100% malware-free DM3DOPT.DLL files for every applicable version of ACD/ChemSketch Freeware. Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download DM3DOPT.DLL Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate ACD/ChemSketch Freeware folder location:
    Windows 10: C:\Program Files\ACD2019FREE\
  4. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve DM3DOPT.DLL problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.

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Download DM3DOPT.DLL Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying DM3DOPT.DLL to your appropriate Windows system directory. Advanced Chemistry Development typically does not release ACD/ChemSketch Freeware DLL files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing DM3DOPT.DLL and all other DLL files for ACD/ChemSketch Freeware. An incorrectly installed DLL file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10
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Files Related to DM3DOPT.DLL


DLL Files Related to DM3DOPT.DLL

File Name Description Software Program (Version) File Size (bytes) File Location
api-ms-win-crt-time-l1... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 13672 C:\Users\Tester\AppData\Local\
api-ms-win-crt-stdio-l... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 17256 C:\Users\Tester\AppData\Local\
MTXVEC.VML4D.DLL Dynamic Link Library ACD/ChemSketch Freeware 2018.1 8389120 C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D5...
MTXVEC.VML4S.DLL Dynamic Link Library ACD/ChemSketch Freeware 2018.1 4163072 C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D5...
ipcfile.dll Microsoft Active Directory Rights Management Services File API Microsoft AD RMS (1.0.3557.0524) 348520 C:\Users\Tester\AppData\Local\

Other Files Related to DM3DOPT.DLL

File Name Description Software Program (Version) File Size (bytes) File Location
setupact.log Log ACD/ChemSketch Freeware 2018.1 62521 C:\Windows\Panther\UnattendGC\
WmiApRpl.ini Windows Initialization ACD/ChemSketch Freeware 2018.1 29736 C:\Windows\inf\WmiApRpl\0009\
diagwrn.xml Extensible Markup Language ACD/ChemSketch Freeware 2018.1 5718 C:\Windows\System32\Sysprep\Panther\
EtwRTEventLog-Applicat... Microsoft Event Trace Log ACD/ChemSketch Freeware 2018.1 2368 C:\Windows\System32\LogFiles\WMI\RtBackup\
EtwRTDiagLog.etl Microsoft Event Trace Log ACD/ChemSketch Freeware 2018.1 1624 C:\Windows\System32\LogFiles\WMI\RtBackup\


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