Download and Repair ACDAUTO.TLB Issues

Last Updated: 11/28/2023
[Average Read Time: 4.5 minutes]

ACDAUTO.TLB, also known as a VAX Text Library file, was created by Advanced Chemistry Development for the development of ACD/ChemSketch Freeware 2018.1. TLB files fall under under the Dynamic Link Library (VAX Text Library) file type category.

ACDAUTO.TLB was initially released with ACD/ChemSketch Freeware 2018.1 on 12/05/2018 for the Windows 10 Operating System. According to our records, this release is the only version of this file offered by Advanced Chemistry Development.

In this short article, you will discover detailed file information, steps for troubleshooting TLB file problems with ACDAUTO.TLB, and list of free downloads for every version that exists in our comprehensive file directory.

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File Overview


General Information
File Name: ACDAUTO.TLB
File Extension: TLB file extension
File Type: Dynamic Link Library
Description: VAX Text Library
User Popularity Rating:
 
Developer and Software Information
Software Program: ACD/ChemSketch Freeware 2018.1
Developer: Advanced Chemistry Development
Software: ACD/ChemSketch Freeware
Software Version: 2018.1
File Details
File Size (Bytes): 12028
Oldest File Date: 01/17/2020
Latest File Date: 01/17/2020


What are ACDAUTO.TLB Error Messages?


Dynamic Link Library ACDAUTO.TLB Errors

ACDAUTO.TLB is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like ACDAUTO.TLB, 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 ACDAUTO.TLB 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 TLB 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 ACDAUTO.TLB is attempted to be loaded either when ACD/ChemSketch Freeware is starting up, or in some cases already running. Some of the most common ACDAUTO.TLB errors include:

Your ACDAUTO.TLB 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, ACDAUTO.TLB file corruption could be caused from a power outage when loading ACD/ChemSketch Freeware, system crash while loading ACDAUTO.TLB, 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.



How to Fix ACDAUTO.TLB 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 ACDAUTO.TLB 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 ACDAUTO.TLB 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 ACDAUTO.TLB 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 ACDAUTO.TLB error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.



If Those Steps Fail: Download and Replace Your ACDAUTO.TLB 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 ACDAUTO.TLB file version. We maintain a comprehensive database of 100% malware-free ACDAUTO.TLB 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 ACDAUTO.TLB 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 ACDAUTO.TLB 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.



Download ACDAUTO.TLB Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying ACDAUTO.TLB to your appropriate Windows system directory. Advanced Chemistry Development typically does not release ACD/ChemSketch Freeware TLB 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 ACDAUTO.TLB and all other TLB files for ACD/ChemSketch Freeware. An incorrectly installed TLB file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10


Files Related to ACDAUTO.TLB


TLB Files Related to ACDAUTO.TLB

File Name Description Software Program (Version) File Size (bytes) File Location
ACDAUTO.TLB VAX Text Library ACD/ChemSketch Freeware 2018.1 12028 C:\Windows\System32\en-US\
ACDDBPROG.TLB VAX Text Library ACD/ChemSketch Freeware 2018.1 38076 C:\Windows\System32\en-US\
SCRIPT_DEBUG.TLB VAX Text Library ACD/ChemSketch Freeware 2018.1 9148 C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D5...
ACDPROG.TLB VAX Text Library ACD/ChemSketch Freeware 2018.1 4500 C:\Windows\System32\en-US\
ACDOBJECTS.TLB VAX Text Library ACD/ChemSketch Freeware 2018.1 82364 C:\Windows\System32\en-US\

Other Files Related to ACDAUTO.TLB

File Name Description Software Program (Version) File Size (bytes) File Location
WmiApRpl.ini Windows Initialization ACD/ChemSketch Freeware 2018.1 29736 C:\Windows\inf\WmiApRpl\0009\
WmiApRpl.h C/C++/Objective-C Header ACD/ChemSketch Freeware 2018.1 3444 C:\Windows\System32\wbem\Performance\
diagerr.xml Extensible Markup Language ACD/ChemSketch Freeware 2018.1 44109 C:\Windows\Panther\UnattendGC\
PerfStringBackup.INI Windows Initialization ACD/ChemSketch Freeware 2018.1 1321920 C:\Windows\System32\
api-ms-win-core-handle... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 11112 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...


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