How to get games work with Hamachi on Windows 7
6. Select Hamachi from Connections -list, and click arrow up so many times that Hamachi is on top. Save changes by pressing OK.
7. Click Hamachi network connection with mouse right click and select Properties.
8. Uncheck Internet Protocol Version 6 (IPv6). Select Internet Protocol Version 4 and hit Properties.
9. Click Advanced
10. Be sure that Automatic Metric is unchecked, and put number 1 to Interface metric.