Autoruns 64 Vs Autoruns 64a |work| May 2026

Autoruns64.exe

The core difference between and Autoruns64a.exe is the processor architecture they are designed for. Use Autoruns64.exe for standard 64-bit Intel or AMD processors (x64), and use Autoruns64a.exe for 64-bit ARM processors. Architectural Compatibility

At first glance, they appear redundant. Both are 64-bit executables. Both bear the same icon. Both perform the same core function. But beneath the surface lies a critical distinction related to Windows on Windows (WoW64), file system redirection, and processor architectures. autoruns 64 vs autoruns 64a

Part 1: The Genesis of Autoruns

The primary difference between autoruns64.exe autoruns64a.exe processor architecture they are built for. While both are part of the Microsoft Sysinternals Autoruns suite, they target different hardware. Microsoft Learn Comparison at a Glance autoruns64.exe autoruns64a.exe Architecture x64 (64-bit Intel/AMD) Common Devices Most modern laptops and desktops. Surface Pro 9 (5G), ARM-based laptops. Standard 64-bit Windows systems. Devices with ARM processors. Result of Wrong Choice Won't run on ARM devices. Errors like "not a valid Win32 application" on Intel/AMD. Key Breakdown Target Audience: autoruns64.exe Autoruns64

processor architecture

The primary difference between autoruns64.exe and autoruns64a.exe is the they are built for. Choosing the correct one ensures the tool can correctly inspect system drivers and deep-level registry keys specific to your computer's hardware. Quick Selection Guide Both are 64-bit executables

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

Part 6: How to Verify Which Version You Have

The key informative feature here is that autoruns64a helps in troubleshooting and understanding the interaction between 32-bit applications and the Windows registry on a 64-bit system. On 64-bit versions of Windows, 32-bit applications that access the registry are redirected to use the Wow6432Node. This means that instead of writing to HKEY_LOCAL_MACHINE\SOFTWARE\YourApp , they write to HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\YourApp .