When sending down vbscript run script tasks to clients they immediatly fail with return result code 1.
Error Failure 1
Windows Clients with McAfee protection
ITMS 7.6, 8.x
The issue was caused by McAfee Access protection.
Change the settings "Executing Scripts by Windows Script host (CScript.exe or Wscript.exe) from common user folders." from blocked to allowed.