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umbraoptimizer64.dll, File description: umbraoptimizer64.dll

Errors related to umbraoptimizer64.dll can arise for a few different different reasons. For instance, a faulty application, umbraoptimizer64.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 umbraoptimizer64.dll is missing from your computer. Try reinstalling the program to fix this problem.
  • There was a problem starting umbraoptimizer64.dll. The specified module could not be found.
  • Error loading umbraoptimizer64.dll. The specified module could not be found.
  • The code execution cannot proceed because umbraoptimizer64.dll was not found. Reinstalling the program may fix this problem.
  • umbraoptimizer64.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 umbraoptimizer64.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.

Additional details about umbraoptimizer64.dll

umbraoptimizer64.dll is used by, for example:

The Witcher 3
Unity Editor



File size





1.42 MB




MD5: 53ddbbbb82eff567f776a2c9421f0b8a
SHA-1: 1f6a2313577262e4180a972b15182c3ae89a6b16
Zip file size: 0.66 MB

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