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
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
