von:
OK here's what i do every time i get this error :
1. Open up task manager
2. Click on the "Procceses" tab
3.Then click " Show proccesses from all users"
4. Now click on the "Services" Tab
5. Look for "Hamachi2Svc" and right click it
6. It should give you an option to (a.) "Stop service" or (b.)"Start Service"
7.(a) Click "Stop Service" then "Start Service"
7.(b) Just click start "Start Service"
8.The service should be starting and now you should be able open up Hamachi with out getting this error.