Have just finished the main Companions quest line and got my first radiant quest from Vilkas to rescue Corpulus Vinius from Robbers Gorge.

The quest is in my journal but when selected it gives no marker and no place when you select the show on map option.

What i did was find Robbers Gorge using an online map, went there and found Corpulus. Killed all the Bandits and then he started to leave. Thing is when i try to speak to him he just gives me the option as if he's working at the Winking Skeever. There is also no quest updates. (he is now back at the Skeever). So i cant progress this radiant quest aswell as not get any more from the companions as im "still on a quest from Vilkas"

I have tried using the Resetquest and Setstage commands in the console (CR08 for rescue missions) e,g, Setstage CR08 20 (21, 22, 25, 50, 100) but the quest does not progress.

i know others have had buggy rescue missions but i cant find others who have had it with this particular -guy.

any help would be awesome