Running an x64 tool on an ARM machine requires emulation, which can be slower. autoruns64a.exe runs natively on ARM, offering better speed and accuracy in detecting ARM-specific startup items 1.2.3. Summary Table: Autoruns 64 vs. Autoruns 64a Autoruns64.exe Autoruns64a.exe Architecture x64 (Intel/AMD) ARM64 (Qualcomm, etc.) Primary Use Conventional PCs/Laptops Modern Windows on ARM Devices Performance Native on x64, Emulated on ARM Native on ARM, Won't run on x64 Frequency Used 95% of the time Niche (ARM only) Which One Should You Run? For 99% of computers: Run autoruns64.exe .
: 32-bit GUI version. (Use only on 32-bit Windows). autorunsc.exe : 32-bit command-line version. autorunsc64.exe : 64-bit command-line version (for x64). autorunsc64a.exe : 64-bit command-line version (for ARM64). autoruns 64 vs autoruns 64a
dumpbin /headers autoruns64a.exe | findstr machine Running an x64 tool on an ARM machine
When in doubt, you can simply run autoruns.exe (the 32-bit version). It is compatible with all versions of Windows and will still give you a highly functional view of your system's startup entries. However, for power users and security analysts, using the native version for your architecture is the best practice. Autoruns 64a Autoruns64
Autoruns 64 is the original 64-bit version of Autoruns. It is designed to run on 64-bit Windows systems and provides a comprehensive view of all startup entries. When run on a 64-bit system, Autoruns 64 uses the Windows API (Application Programming Interface) to gather information about startup entries.