Hmmm baru dapat kasus unik dimana xp gw sering ngulah ICSnya, kadang hidup kadang mati. Nah setelah nyari di Omgog dapat deh ni link http://support.microsoft.com/kb/920074

berikut cuplikan tipsnya
1. Click Start, click Run, type cmd, and then click OK.
2. At the command prompt, type the following command line, and then press ENTER:
Rundll32 setupapi,InstallHinfSection Ndi-Steelhead 132 %windir%\inf\netrass.inf
3. Restart Windows,
4. Click Start, click Run, type cmd, and then click OK.
At the command prompt, type the following command, and then press ENTER:
Netsh firewall reset
5. Click Start, click Run, type firewall.cpl, and then press ENTER. In the Windows Firewall dialog box, click On (recommended), and then click OK.

taraaa,,,, it’s done horray…