Autoruns 64 Vs Autoruns 64a Hot! Jun 2026

The main difference between and Autoruns64a.exe is the target processor architecture: Autoruns64.exe is compiled specifically for 64-bit Intel and AMD (x64) processors, while Autoruns64a.exe is compiled for 64-bit ARM (ARM64) processors. Running the wrong executable will result in poor performance through emulation or a total failure to launch.

Scripted audits on lightweight ARM-based enterprise devices. Understanding Autoruns 64 ( autoruns64.exe )

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

Paul Jackson 26. Feb 12, 2021, 3:23 AM. Hello, The Sysinternals Autoruns utility includes multiple executable files: autoruns.exe, Microsoft Learn Sysinternals Utilities - Microsoft Learn The main difference between and Autoruns64a

Functionally, both files are identical. They both serve as powerful diagnostic tools that display the most comprehensive list of auto-starting locations on a Windows system—from standard startup folders and registry keys to complex entry points like browser helper objects (BHOs), scheduled tasks, and AppInit DLLs . Security and Maintenance

Windows on ARM devices use a fundamentally different instruction set architecture (ISA) than traditional Intel or AMD devices. While modern Windows ARM setups can emulate x86 or x64 applications, doing so introduces unnecessary performance overhead and can obscure lower-level diagnostic information. Why Native Matters for System Auditing Understanding Autoruns 64 ( autoruns64

is the correct choice. If you aren't sure, running the generic autoruns.exe

Using the precise binary for your processor architecture is critical for deep-system diagnostic tools. 1. Registry Mapping Accuracy

For standard enterprise IT and most malware analysis, results are functionally identical. For incident response on ARM64 devices, always use autoruns64a.exe to be forensically sound.

The existence of both autoruns64.exe and autoruns64a.exe is not redundancy—it is Microsoft’s commitment to supporting a heterogeneous computing future. As Windows on ARM gains market share (especially with the Snapdragon X Elite series challenging Intel’s dominance), understanding this distinction becomes crucial.