You will have to talk to an administrator at your work to fix the problem.
If I were you, I would do the following to try to make it work:
1. Keep the VPN connection on.
2. route delete 192.168.0.0 mask 255.255.255.0 174.77.159.114
3. route delete 174.77.159.114 mask 255.255.255.255 192.168.1.1
4. route add 192.168.0.0 mask 255.255.255.0 192.168.0.1 (This is a guess for the remote VPN gateway IP address.
5. route add 10.0.0.0 mask 255.0.0.0 192.168.0.1 (The DNS servers at your work is on the 10.0.33.x network, also the network at your work is on 10.x.x.x)
Your VPN should work if 192.168.0.1 is the IP address of the VPN gateway address. It can be 192.168.0.anything although most people would have made it 192.168.0.1.
