NoSpamProxy setup fails during installation of PowerShell RemoteWIN
Problem​
In rare cases, the NoSpamProxy setup may fail due to an error in the installation of PowerShell RemoteWIN.
Solution
Modify the registry as follows:
reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v LocalAccountTokenFilterPolicy /t REG_DWORD /d 1 /f
The installation of NoSpamProxy should then be successful.