Fixing DLL Errors: Qca_Ad_2.dll Download and Repair

Last Updated: 11/29/2023
[Time Needed for Reading: ~4-6 minutes]

Dynamic Link Library files such as qca_Ad_2.dll utilize the DLL file extension. This file is considered a Win64 DLL (Dynamic link library) file, and was first created by Autodesk, Inc. for the Qt Cryptographic Architecture software package.

The first version of qca_Ad_2.dll for AutoCAD 2019 was seen on 10/24/2018 in Windows 10. The most recent release for DWG TrueView 2019 launched on 09/17/2018 [version 2.1.200.550 release].

In this short article, you will discover detailed file information, steps for troubleshooting DLL file problems with qca_Ad_2.dll, and list of free downloads for every version that exists in our comprehensive file directory.

File Analysis Provided by Jason Geater (Author)


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File Overview


General Information
File Name: qca_Ad_2.dll
File Extension: DLL file extension
Object File Type: Dynamic link library
File Type: Dynamic Link Library
Description: Dynamic Link Library
File Operating System: Windows NT 32-bit
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Program: Qt Cryptographic Architecture
Developer: Autodesk, Inc.
Software: DWG TrueView
Software Version: 2019
File Details
Character Set: Unicode
Language Code: English (U.S.)
File Flags: (none)
File Flags Mask: 0x003f
Entry Point: 0x71bfc
Code Size: 512000


What are qca_Ad_2.dll Error Messages?


Dynamic Link Library qca_Ad_2.dll Errors

qca_Ad_2.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like qca_Ad_2.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. DWG TrueView) could share the same qca_Ad_2.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 qca_Ad_2.dll is attempted to be loaded either when DWG TrueView is starting up, or in some cases already running. Some of the most common qca_Ad_2.dll errors include:

Your qca_Ad_2.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with DWG TrueView), or deleted by a malware infection. Furthermore, qca_Ad_2.dll file corruption could be caused from a power outage when loading DWG TrueView, system crash while loading qca_Ad_2.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.



How to Fix qca_Ad_2.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 qca_Ad_2.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 qca_Ad_2.dll error, please proceed to the Step 2 below.

Step 2: If recently installed DWG TrueView (or related software), uninstall then try reinstalling DWG TrueView software.

You can uninstall DWG TrueView 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 DWG TrueView 2019 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall DWG TrueView software.

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

DWG TrueView 2019

Autodesk, Inc.

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 qca_Ad_2.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 qca_Ad_2.dll 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 qca_Ad_2.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 qca_Ad_2.dll file version. We maintain a comprehensive database of 100% malware-free qca_Ad_2.dll files for every applicable version of DWG TrueView. 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 qca_Ad_2.dll Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate DWG TrueView folder location:
    Windows 10: C:\Program Files\Autodesk\DWG TrueView 2019 - English\
    Windows 10: C:\Users\Tester\Downloads\Autodesk\DWGTrueView_2019_Enu_64bit\x64\dwgviewr\PF\Root\
    Windows 10: C:\Autodesk\WI\Autodesk AutoCAD 2020\x64\acad\PF\Root\
    Windows 10: C:\Program Files\Autodesk\AutoCAD 2020\
  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 qca_Ad_2.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.



Download qca_Ad_2.dll Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying qca_Ad_2.dll to your appropriate Windows system directory. Autodesk, Inc. typically does not release DWG TrueView 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 qca_Ad_2.dll and all other DLL files for DWG TrueView. 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


Files Related to qca_Ad_2.dll


DLL Files Related to qca_Ad_2.dll

File Name Description Software Program (Version) File Size (bytes) File Location
acdbmgd.resources.dll AutoCAD component AutoCAD (23.0.46.0.0) 257968 C:\Program Files\WindowsApps\Microsoft.VCLibs.1...
msvcp140_1_app.dll Microsoft® C Runtime Library _1 Microsoft® Visual Studio® 2017 (14.20.27323.0) 24248 C:\Program Files\Common Files\System\Ole DB\res...
errRes.dll AutoCAD component AutoCAD (23.0.46.0.0) 48048 C:\Program Files\WindowsApps\Microsoft.StorePur...
MsiKeyFile_AUTHORPALET... AutoCAD component AutoCAD (23.0.46.0.0) 9136 C:\Program Files\WindowsApps\Deleted\Microsoft....
mfc140.dll MFCDLL Shared Library - Retail Version Microsoft® Visual Studio® 2017 (14.12.25810.0) 4821632 C:\Program Files\Common Files\Microsoft Shared\...

Other Files Related to qca_Ad_2.dll

File Name Description Software Program (Version) File Size (bytes) File Location
setuperr.log Log DWG TrueView 2019 1521 C:\Windows\Logs\DPX\
setupact.log Log AutoCAD 2019 62521 C:\Windows\Panther\UnattendGC\
setupact.log Log Autodesk DWF Viewer 7 62830 C:\Windows\Panther\UnattendGC\
SA.DAT Game Data Autodesk DWF Viewer 7 6 C:\WINDOWS\Tasks\
setupapi.dev.log Log AutoCAD 2019 684846 C:\Windows\inf\


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