If im honest - i dont have an awnser for you - theres a thread similar that hasnt been resolved, maybe have a read for anything on there that might help. Other than that your just going to have to try to fix yourself or hope some1 whos encountered this before will see this thread and solve your issue. Maybe try googling parts of the error logs and see if other have encountered it - im sure your not the only one.
Can i ask why you are using a VPN in the first place? Im guessing you might work remote. Like Russ says in the other thread, it sounds like to me its a devops issue, something isnt set up correctly. Sorry i cant help any further.