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iissuba.dll, File description: Microsoft IIS sub-authentication handler

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






9 kb

U.S. English

Microsoft Corporation

Microsoft IIS sub-authentication handler

MD5: d404d3cd885129ab76e1c9673e253a20
SHA-1: 3668f42803b533c538d19f45b88b8d2ae8152346
Zip file size: 6 kb

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