X64- ... - R-undelete 4.9.build 159222 Portable -x86

If you are trying to recover a file, stop using that drive immediately. New data will overwrite the "deleted" space.

The article you provided refers to R-Undelete 4.9 Build 159222 Portable R-Undelete 4.9.Build 159222 Portable -x86 x64- ...

Every IT technician and serious computer user should keep a copy of on their emergency toolkit USB. Whether you are running the lightning-fast x64 version on a modern rig or the lightweight x86 version from a recovery CD, you will have the power to reverse accidental deletion. If you are trying to recover a file,