Autoruns 64 Vs Autoruns 64a Access

Microsoft Sysinternals Autoruns v14.09 Builds compared: autoruns64.exe (x64) vs. autoruns64a.exe (ARM64) Reviewed on: Windows 11 Pro (x64) & Windows 11 on Snapdragon (ARM64)

The primary difference between and Autoruns64a.exe is the CPU architecture they are designed to run on. Both are 64-bit versions of the Sysinternals Autoruns utility, but they target different hardware. Comparison Table: Autoruns64 vs. Autoruns64a Autoruns64.exe Autoruns64a.exe Architecture x64 (64-bit Intel/AMD) ARM64 (64-bit ARM) Typical Device Standard Desktops & Laptops Surface Pro (ARM), Snapdragon PCs Failure Mode Won't run on ARM-only systems. Errors as "not a valid Win32 application" on Intel/AMD. Detailed Breakdown autoruns 64 vs autoruns 64a

: This is specifically for 64-bit ARM processors (like those found in newer Surface Pro models or specialized ARM-based laptops). Comparison at a Glance Executable Target Architecture Typical Devices autoruns.exe 32-bit (x86) Older legacy systems autoruns64.exe 64-bit (x64) Most modern Intel/AMD PCs autoruns64a.exe 64-bit (ARM64) ARM-based tablets and laptops autorunsc.exe Command Line Automation and scripting (32-bit) autorunsc64.exe Command Line Automation and scripting (64-bit) Why the "a"? Microsoft Sysinternals Autoruns v14

: The "a" in Autoruns 64a stands for "alternate" or could imply an advanced version. However, based on typical naming conventions and updates by Sysinternals, Autoruns 64a could refer to a specific update or variant of Autoruns 64. It's essential to note that without official documentation from Sysinternals on the "64a" designation, the assumption might lean towards it being an internal or minor version update rather than a major release. Comparison Table: Autoruns64 vs

Thus, if you are on ARM64 and double-click autoruns.exe (32-bit), it will still launch the emulated autoruns64.exe , not autoruns64a.exe . You must manually choose autoruns64a.exe .

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