Alex downloaded the file named "Red Giant PluralEyes 4.0.1.1 Portable.PREACTIVA..." from a less-than-reputable source, not entirely sure what the .PREACTIVA part meant but needing a quick solution. He extracted the files to a USB drive and ran the program directly from there, pleased that it didn't require installation.
: A redesigned layout for a more automated user experience . Red Giant PluralEyes 4.0.1.1 Portable.PREACTIVA...
If you absolutely need a dedicated, one-click batch audio sync tool and are willing to pay, current options are (subscription) or Syncaila (one-time purchase, similar to PluralEyes). Alex downloaded the file named "Red Giant PluralEyes 4