What is wnaspi32.dll?

Wnaspi32.dll is Win32 ASPI Library.

This file is part of ASPI for Win32. Wnaspi32.dll is developed by Adaptec. Wnaspi32.dll is usually located in the %PROGRAM_FILES% sub-folder and its usual size is 169,528 bytes.

Wnaspi32.dll is one of the components of the Advanced SCSI Programming Interface ( ASPI ) Manager. ASPI was developed by Adaptec in the early 1990s. ASPI was originally designed to support SCSI drives. The Advanced SCSI Programming Interface (ASPI) is a system of accessing drives commonly supported by CD-ROM reading/burning applications. Wnaspi32.dll supports the ASPI interface and standardizes communication between an SCSI host adapter and SCSI peripherals. Windows uses wnaspi32.dll to communicate with storage devices.

Wnaspi32.dll is designed to provide a standard interface to SCSI host adapters. The wnaspi32.dll file provides platform independence and defines a set of high-level communication functions for devices attached to the SCSI bus.

Wnaspi32.dll is also a component of WinBackup.

How to Fix the “wnaspi32.dll Not Found” Error

When running Nero applications, some users get an error message saying that the wnaspi32.dll file wasn’t found. This usually happens when wnaspi32.dll is missing or damaged either by accident or due to a Nero component uninstall. To solve this problem, you need to reinstall the missing wnaspi32.exe file. You can download the required file from Nero Support website.

Important: do not download the .dll file from any of the “DLL download” websites, as it may harm your computer.