ac1st21.dll : Free Download

Download and install ac1st21.dll to fix missing or corrupted dll errors.

About ac1st21.dll

`ac1st21.dll` is a Dynamic Link Library (DLL) file developed by Autodesk, Inc. specifically for use with AutoCAD, a widely used computer-aided design (CAD) software application. This DLL file serves as a fundamental component within AutoCAD, providing essential functionality for various aspects of the software's operation. Encountering errors related to `ac1st21.dll` may occur when launching or using AutoCAD. These errors could manifest during the application's startup, while executing specific commands or functions, or when interacting with certain components or plugins within AutoCAD.
To address errors associated with `ac1st21.dll`, users can take several steps. Firstly, ensuring that AutoCAD is properly installed and up-to-date is essential. Verifying system requirements, compatibility with the operating system, and sufficient resources such as memory and disk space can help prevent potential issues. If errors persist, users may attempt to repair or reinstall AutoCAD to ensure that all necessary files, including `ac1st21.dll`, are correctly installed and configured. Following Autodesk's instructions for the proper installation process is crucial to avoid further complications. Seeking assistance from Autodesk's technical support team or consulting relevant online forums and communities may provide additional guidance and troubleshooting steps for resolving `ac1st21.dll` errors. By following these measures, users can effectively address errors related to `ac1st21.dll` and ensure the smooth operation of AutoCAD, facilitating efficient design and drafting tasks.
Download ac1st21.dll
Article updated: Mar 19th, 2024 (DLLme + AI)
DLL research and information is supported by Artificial Intelligence and should be used as a helpful tool. However, it is important to keep in mind that this information may not be up-to-date or entirely accurate.

About ac1st21.dll errors

When an application requires ac1st21.dll, Windows will check the application and system folders for this .dll file. If the file is missing you may receive an error and the application may not function properly.

Windows .DLL Error Examples
This application has failed to start because ac1st21.dll was not found. Re-installing the application may fix this problem.
ac1st21.dll Not Found.

Possible fixes for ac1st21.dll errors

To fix .dll errors, you can try a few basic steps. While some errors might need more detailed fixes, these initial steps often solve common problems.

  • Re-Install the application that requires ac1st21.dll.
  • Update the application to the latest version.
  • Install all Windows updates and any available driver updates.
  • Manually download and install ac1st21.dll.
You may already have this .dll file even though you are getting .dll errors. That's because the .dll file may have been moved or renamed by another application. Check to see if you already have ac1st21.dll on your computer. For more information see how to search your PC for .dll files.

How to register ac1st21.dll

In some cases, you may need to register the .dll file. To register the .dll file, open Command Prompt as an administrator, enter the installation folder, and run the "regsvr32" command. You'll receive a confirmation if the .dll file is successfully registered.
C:\User\Username>cd c:\windows\system32
C:\Windows\System32>regsvr32 ac1st21.dll

Download ac1st21.dll

Select the .dll version to download. In most cases, this would be the latest version (32/64-bit) from the appropriate company.

Showing 5/5 results. (Reset Filter)
ac1st21.dll
by Autodesk, Inc.
for AutoCAD
AutoCAD component
Version
21.0.52.0.0
Product Version
21.0.52.0.0
Language
1033 (U.S. English)
Size
357KB
SHA1
2924d807822fe7fa0a6b9e2b116d8135ac8ff689
MD5
23993dd2a47818adb16ca98adbf5fe26
ac1st21.dll
by Autodesk, Inc.
for AutoCAD
AutoCAD component
Version
21.0.52.0.0
Product Version
21.0.52.0.0
Language
1033 (U.S. English)
Size
357KB
SHA1
064807edff84163a626180b52e925ff796465f66
MD5
750b8cd65ca08ccecc72b16dad140642
ac1st21.dll
by Autodesk, Inc.
for AutoCAD
AutoCAD component
Version
21.0.52.0.0
Product Version
21.0.52.0.0
Language
1033 (U.S. English)
Size
264KB
SHA1
3a7d182b59cc1089d0dd8db92159029b32710af0
MD5
81e4181379b798b7a4abdb9fddba1d28
ac1st21.dll
by Autodesk, Inc.
for AutoCAD
AutoCAD component
Version
21.0.51.0.0
Product Version
21.0.51.0.0
Language
1033 (U.S. English)
Size
357KB
SHA1
dc4d1ccdefafb724290c50d7ca0ee071fbb3f285
MD5
ac4418fbc0797634d3f4ab455a6bdfda
ac1st21.dll
by Autodesk, Inc.
for AutoCAD
AutoCAD component
Version
21.0.49.0.0
Product Version
21.0.49.0.0
Language
1033 (U.S. English)
Size
356KB
SHA1
a75a5423974a21d03080e3b303cbfaba991ffaed
MD5
2dd53d8915465580f6596fdb347d4356

Request a different version or variant.

Requests can improve your odds of success and increase the speed in which the .dll file is found.

43 people requested a new version, variant, or more information.

Similar .DLL Files

You may be interested in learning about these similar dll files.


The `ac1st24.dll` file is a dynamic link library (DLL) associated with Autodesk, Inc., specifically designed for AutoCAD, a leading computer-aided design (CAD) software used by professionals in architecture, engineering, construction, and other fields for creating precise 2D and 3D drawings and models. The naming convention suggests that this DL...

Updated: 02/08/24 Files: 14

You may also like...

What are.DLL Files?

Learn about .dll files and why they are essential.

By: DLLme
How to install .dll files.

Easy to follow instructions for installing .dll files.

By: DLLme
CPU Architecture Checker

Check if your system is running on 32-bit or 64-bit.

By: DLLme

Repository

Files Available: 5
Last updated: Dec 1st, 2022
CPU Architectures:
x86-64 (64 bit) x86 (32 bit)

DLL Files

Web Tools (View All)

Windows .DLL Repairs (View All)