Comment 5 for bug 1719482

Apologies for the delayed reply. Changing PATH did not help.

Here is the output from set (before changing PATH)

ALLUSERSPROFILE=C:\ProgramData
APPDATA=C:\Users\tchaplin\AppData\Roaming
CommonProgramFiles=C:\Program Files\Common Files
CommonProgramFiles(x86)=C:\Program Files (x86)\Common Files
CommonProgramW6432=C:\Program Files\Common Files
COMPUTERNAME=MU00043142
ComSpec=C:\WINDOWS\system32\cmd.exe
FPS_BROWSER_APP_PROFILE_STRING=Internet Explorer
FPS_BROWSER_USER_PROFILE_STRING=Default
HOMEDRIVE=C:
HOMEPATH=\Users\tchaplin
LOCALAPPDATA=C:\Users\tchaplin\AppData\Local
LOGONSERVER=\\IDM-ADDS02-V02
NUMBER_OF_PROCESSORS=8
OneDrive=C:\Users\tchaplin\OneDrive
OS=Windows_NT
Path=C:\ProgramData\Oracle\Java\javapath;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\Google\Google Apps Sync\;C:\Program Files (x86)\Lithnet\Lithnet.MpUpdate;C:\Program Files\MATLAB\R2017a\runtime\win64;C:\Program Files\MATLAB\R2017a\bin;C:\Program Files\TortoiseSVN\bin;C:\Users\tchaplin\AppData\Local\Microsoft\WindowsApps;
PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC
PROCESSOR_ARCHITECTURE=AMD64
PROCESSOR_IDENTIFIER=Intel64 Family 6 Model 60 Stepping 3, GenuineIntel
PROCESSOR_LEVEL=6
PROCESSOR_REVISION=3c03
ProgramData=C:\ProgramData
ProgramFiles=C:\Program Files
ProgramFiles(x86)=C:\Program Files (x86)
ProgramW6432=C:\Program Files
PROMPT=$P$G
PSModulePath=C:\Program Files\WindowsPowerShell\Modules;C:\WINDOWS\system32\WindowsPowerShell\v1.0\Modules
PUBLIC=C:\Users\Public
SESSIONNAME=Console
SystemDrive=C:
SystemRoot=C:\WINDOWS
TEMP=C:\Users\tchaplin\AppData\Local\Temp
TMP=C:\Users\tchaplin\AppData\Local\Temp
UATDATA=C:\WINDOWS\CCM\UATData\D9F8C395-CAB8-491d-B8AC-179A1FE1BE77
USERDNSDOMAIN=AD.MONASH.EDU
USERDOMAIN=MONASH
USERDOMAIN_ROAMINGPROFILE=MONASH
USERNAME=tchaplin
USERPROFILE=C:\Users\tchaplin
windir=C:\WINDOWS

I'm in a large organisation, perhaps some anti-virus in the SOE is interfering, I'll investigate that.