OPTIONS:
A. Download i-speeder.exe available on the net just search for it or googles it.
B. Turn off your modem then turn on again it must be going to change the IP of your LAN automatically, if your account is dynamic IP provided by your ISP, dynamic IP means auto IP configuration system. Because if you will do this procedure ISP can give another IP address available to your LAN. There are times your IP Address is too slow in connection because of the traffic on the net.
C. Hamachi have only common problem in expiration or validity, because it has a basic and free features unlike Hamachi premium that has unlimited use and unlimited members can join on the network full features are available. The only way on how to make changes for Hamachi which has validity already expired is manually to configure it by yourself.
How would you do that? Simply, just un-install your Hamachi network, then, click start on the task bar, then click run, then type %appdata%, then, delete the Hamachi folder, then, restart your virtual machine, then re-install hamachi. Done, you have now again new basic 30 days before expiration. Do this every 30 days when your Hamachi already expired.