Fix for IIS 7.5
We found the solution for IIS 7.5. It is a bug in Plesk, it seems that Plesk has the following Executable Path set for *.pl :
C:\Program Files (x86)\Parallels\Plesk\Additional\Perl\bin\perl.exe "%s" %s
According to MSFT/IIS , if the path contain spaces, it should be...