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Download w3isapi.dll files for Windows

The fastest way to register missing DLL-files and fix errors
DLL Helper
Platform File Product Language Description
64bit Windows 8
isapi.dll v. 8.0.8418.0 Internet Information Services v. 8.0.8418.0 Neutral IIS ISAPI Handler VirusTotal
64bit Windows 7
isapi.dll v. 7.5.7600.16385 Internet Information Services v. 7.5.7600.16385 Neutral IIS ISAPI Handler VirusTotal

w3isapi.dll errors

w3isapi.dll errors occur for several reasons, for example, the file may be corrupted, deleted, or not found on the computer. Common library errors:

  • An error occurred while starting the w3isapi.dll: the specified module was not found.
  • The file is not intended or incompatible with the Windows version.
  • Missing w3isapi.dll, try reinstalling the program.
  • Module or library not found on computer.
  • w3isapi.dll returned error code.

To fix w3isapi.dll errors, download the file and reinstall it in the Windows system folder. In some cases, the file must be in the folder with the game or program. For detailed instructions on how to install the DLL and other libraries, see "Help" section.

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