Autoruns 64 Vs Autoruns 64a [ ORIGINAL | SUMMARY ]

If you try to run the "a" version on a standard Intel or AMD machine, it will likely fail with a "Not a valid Win32 application" error. What About Autoruns.exe (The Standard Version)? The standard Autoruns.exe is the original 32-bit binary.

Interestingly, if you run the 32-bit autoruns.exe on a 64-bit system, it is designed to detect your architecture and can automatically launch the 64-bit version for you. autoruns 64 vs autoruns 64a

If you are on a standard 64-bit Windows PC, this is the version you should use. Understanding Autoruns64a.exe If you try to run the "a" version