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ac1st23.dll, File description: AutoCAD component

Errors related to ac1st23.dll can arise for a few different different reasons. For instance, a faulty application, ac1st23.dll has been deleted or misplaced, corrupted by malicious software present on your PC or a damaged Windows registry.

The most commonly occurring error messages are:

  • The program can't start because ac1st23.dll is missing from your computer. Try reinstalling the program to fix this problem.
  • There was a problem starting ac1st23.dll. The specified module could not be found.
  • Error loading ac1st23.dll. The specified module could not be found.
  • The code execution cannot proceed because ac1st23.dll was not found. Reinstalling the program may fix this problem.
  • ac1st23.dll is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media or contact your system administrator or the software vender for support.

In the vast majority of cases, the solution is to properly reinstall ac1st23.dll on your PC, to the Windows system folder. Alternatively, some programs, notably PC games, require that the DLL file is placed in the game/application installation folder.

For detailed installation instructions, see our FAQ.




File size





0.33 MB

U.S. English

Autodesk, Inc.

AutoCAD component

MD5: b728ec7c2907360c619dd0612c8ff581
SHA-1: 85714890002a3a68999b2005336d35fa7333f5ce
Zip file size: 0.15 MB

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