Pipe the output into another tool for automated security auditing. Summary Table Autoruns64.exe Autoruns64a.exe Graphical (GUI) Command-line (CLI) Primary Use Manual troubleshooting Scripting and automation Interactivity High (Point-and-click) Low (Switches/Arguments) Visual Window Text, CSV, or XML command-line switches for the "a" version to export your startup list?
: The native 64-bit version for the x64 architecture used by nearly all modern Windows laptops and desktops powered by Intel or AMD.
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When you download and extract the Autoruns zip package, you are presented with multiple executable files: autoruns.exe , autoruns64.exe , and autoruns64a.exe . autoruns 64 vs autoruns 64a
: This helps you quickly distinguish between legitimate system processes and potential malware hiding in your boot sequence.
If it reads "64-bit operating system, ARM-based processor," use .
The primary difference between autoruns64.exe autoruns64a.exe processor architecture Pipe the output into another tool for automated
The suffix without any trailing letters is the industry-standard designation for x86-64 hardware. Originally designed by AMD (and later adopted by Intel), this architecture powers the vast majority of desktop computers, traditional laptops, and servers.
If it says "64-bit operating system, ARM-based processor," .
You would use this on hardware like the Surface Pro 9 (5G), Lenovo ThinkPad X13s, or other laptops featuring Qualcomm Snapdragon processors. If it reads "64-bit operating system, ARM-based processor,"
Right-click the Start button, select "System," and check "System type" under "Device specifications." Best Practices
If you want to dive deeper into optimizing your boot configuration, let me know. I can help you understand or show you how to use Autoruns to hunt down persistent malware hidden in the registry . Share public link
will typically detect your system type and launch the correct 64-bit version for you automatically. Microsoft Learn Are you troubleshooting a specific startup error or looking to your boot time? Which autoruns executable to use? - Microsoft Q&A
| Executable | Architecture | Target System | | :--- | :--- | :--- | | autoruns.exe | 32-bit (x86) | 32-bit versions of Windows; also runs on 64-bit Windows (via WOW64 emulation) | | autoruns64.exe | 64-bit (x64 / AMD64) | 64-bit versions of Windows on standard x64 desktop and server processors (Intel/AMD) | | autoruns64a.exe | 64-bit (ARM64) | 64-bit versions of Windows on ARM64 processors |