1. Turn off Windows Search Indexing
Windows Vista search indexing is constantly reviewing files on your system to make their contents available for quick searching. This is handy, but can severely impact system performance.
To disable constant indexing:
Click Start then Computer
Right Click the C: Drive
On General Tab, Uncheck Index this drive for faster searching
On the subsequent dialog box, Select Include subfolders and files

Both XP and 2000 are still configured out of the box with respect to Ethernet rather than high-speed Internet connections, where latency plays a major role in throughput. Some people still use dial-up. Therefore Windows out of the box has to find a happy medium between dial-up and cable. Here, you will find specific information on how to optimize the Windows 2000/XP Registry for Cable Modems, DSL, or any similar type of broadband Internet connection.
I typically get around a 15% - 25% increase in my MB/Sec after these tweaks.
NOTE: Please, …