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.
- twain.dll is either not designed to run on Windows or it contains an error.
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.