winexe is being detected as a potentially unwanted program by Symantec Endpoint protection.
There are two PUA's related to winexe in Symatec's PUA database:
winexesvc.exe on Windows.winexe client.This is preventing the use of winexe in certain environments. May you report this as a false positive?
https://submit.symantec.com/false_positive/
Just to add to this, here's what Symantec are saying about winexe:
I hope that at some point, someone directly involved with the winexe project will submit a false positive report to Symantec on this if that hasn't happened yet. It appears that many (if not most) virus scan products have followed Symantec's lead on this one.