Autoruns 64 Vs Autoruns 64a
The primary difference between autoruns64 and autoruns64a is the processor architecture they are designed to run on:
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 autoruns 64 vs autoruns 64a
Which One Should You Download?
| Your system | Recommended build | Why |
|-------------|------------------|------|
| Intel/AMD (x64) | autoruns64.exe | Native, no emulation layer needed |
| ARM64 (Snapdragon, etc.) | autoruns64a.exe | Faster, lower RAM, avoids Prism translation |
| You share a USB toolkit | Both | Keep autoruns64.exe (works everywhere except pure ARM64 without emulation – rare) | The primary difference between autoruns64 and autoruns64a is
Use Case 4: You run Windows 10/11 in a virtual machine on an Apple Silicon Mac
- Example: Parallels Desktop or VMware Fusion on an M1/M2/M3 Mac.
- Recommendation: Use
autoruns64a.exe. The virtualized Windows is running as an ARM64 guest. Emulating x64 inside ARM64 inside a VM is three layers of overhead. Go native ARM64 withautoruns64a.exe.
Autoruns 64 vs Autoruns 64a: Uncovering the Differences and Choosing the Right Tool for Your Needs Example: Parallels Desktop or VMware Fusion on an
Part 2: The Core Difference – ARM64 vs x64
The letter “a” in autoruns64a.exe is the key. It stands for ARM64.
- produce a side-by-side CSV-ready checklist for triage steps,
- show exact command-line examples for autorunsc/Autoruns64a CLI,
- or list specific registry and file locations each tool enumerates.
Detection: Identifies startup items in the registry, scheduled tasks, and boot execution keys.
Autoruns 64 vs Autoruns 64a: What's the Difference?
