Fix your twain.dll error

Due to security concerns, this file is not available for installation with the DLL‑ Client. We only provide the file as a stand alone download for advanced users.

Download and install for free at your own risk. Handling this DLL incorrectly can cause serious harm to your PC.

twain.dll, File description: twain.dll

Errors related to twain.dll can arise for a few different different reasons. For instance, a faulty application, twain.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 twain.dll is missing from your computer. Try reinstalling the program to fix this problem.
  • There was a problem starting twain.dll. The specified module could not be found.
  • Error loading twain.dll. The specified module could not be found.
  • The code execution cannot proceed because twain.dll was not found. Reinstalling the program may fix this problem.
  • twain.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 twain.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





92.6 kb




MD5: 0bea3f79a36b1f67b2ce0f595524c77c
SHA-1: 3cacd2048db88f4f2e863b6de3b1fd197922b3f2
Zip file size: 39.7 kb

Do you need more help solving your twain.dll problem?

Do you have information that we do not?
Did our advice help or did we miss something?
Our Forum is where you can get help from both qualified tech specialists and the community at large. Sign up, post your questions, and get updates straight to your inbox.