Download and unpack that to a folder on your system. Then, open a command prompt to there, and try running these commands:
The -s flag shows what Internet Gateway Devices (IGD)s you haveupnpc-static.exe -s
The -l flag shows what the current state of UPNP redirections are.upnpc-static.exe -l
There are more commandline flags, but this is a start in how to examine and diagnose your UPNP state.