Autoruns 64 Vs Autoruns 64a Jun 2026

: Command-line version of autoruns64a.exe (ARM).

Paul Jackson 26. Feb 12, 2021, 3:23 AM. Hello, The Sysinternals Autoruns utility includes multiple executable files: autoruns.exe, Microsoft Learn Autoruns - Sysinternals - Microsoft Learn

When troubleshooting Windows boot issues, removing stubborn malware, or optimizing startup times, is the gold standard tool. However, downloading the Autoruns suite reveals multiple executable files, causing confusion for many users. The two most common questions are: "What is autoruns64.exe ?" and "What is autoruns64a.exe ?"

autoruns64a.exe is compiled natively for architecture. It runs without emulation, is faster, and is more reliable for deep system introspection on ARM-based Windows PCs. autoruns 64 vs autoruns 64a

Autoruns presents this information in a user-friendly interface, allowing users to easily sort, filter, and search for specific entries. Users can then disable or delete unwanted entries to improve system performance, troubleshoot issues, or remove malware.

processors, such as the Qualcomm Snapdragon chips found in "Always Connected" PCs (e.g., Surface Pro 9 with 5G or Samsung Galaxy Book). Microsoft Learn Functionality Comparison

Before comparing the two “64” versions, it is essential to understand Autoruns’ evolution. : Command-line version of autoruns64a

Run autoruns64a.exe .

Extensibility & integrations

Regardless of the version you choose, the tool's core purpose remains the same: it provides a comprehensive view of all programs, services, and drivers configured to start automatically on your system. It runs without emulation, is faster, and is

: Identifies startup items in the registry, scheduled tasks, and boot execution keys.

This binary is compiled for Intel Itanium processors. In the early 2000s, Intel and HP developed the Itanium architecture (IA-64) as a high-performance 64-bit system for enterprise servers. However, Itanium failed in the consumer market. Today, Itanium is effectively obsolete. Unless you are maintaining a legacy Windows server from the mid-2000s (e.g., Windows Server 2008 for Itanium), this executable is useless.

Summary

:Windows will reject the execution immediately. You will be prompted with a standard operating system error stating that the executable "is not a valid Win32 application" or is incompatible with your version of Windows. No harm is done to your system; the binary simply refuses to load.