NoSpamProxy setup fails when installing PowerShell RemoteWIN​

In some cases, the NoSpamProxy setup fails due to problems regarding PowerShell RemoteWIN. To resolve this issue the registry needs to be modified.

To do this, open PowerShell and enter

reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v LocalAccountTokenFilterPolicy /t REG_DWORD /d 1 /f​.