I can't connect to the servers

I just can't seem to connect to the hamachi servers.

here is the summary that the diagnostics tool wrote:

1. Summary report
2. ------------------------
3.  
4. Test name: Driver       Result: [GREEN] -> OK
5.  
6. ---------------------------------------------
7.  
8.  
9. Test name: Server connection        Result: [RED] -> Failed to connect
10. Details:
11.  
12. Server connection closed, type: [OS error], return code: [0]
13. ---------------------------------------------
14.  
15.  
16. Test name:      Result: [GREEN] ->
17.  
18. ---------------------------------------------
19.  
20.  
21. Test name:      Result: [GREEN] ->
22.  
23. ---------------------------------------------
24.  
25.  
26. Test name:      Result: [GREEN] ->
27.  
28. ---------------------------------------------