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ucaddin.dll, File description: Skype for Business

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






1.54 MB


Microsoft Corporation

Skype for Business

MD5: f84ce997102afd2a1c62879e6797bad2
SHA-1: d28b61622a09a18a56201e0ffeacba3189d3cd1b
Zip file size: 0.58 MB

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