Hello Everybody.I got a Windows 7 build 7100.RC candidate. And I have a small problem. Sometimes my computer freeze, Like for a 2-3 minutes reading hard drive, and I cannot do nothing!Is doing almost every 30 minuters sometimes.So crazy! I have automatic defragmentation off, indexing service off,system restore off.Antivir none, I don't understand what can be doing this.My computer is Advent 8117,Intel Dual core 1.73 Ghz,2 Gb ram, and Intel 943 GML 256 mb graphic card. Thank you very much for any tips.. Cheers guys.