Solve the problem of excessive CPU usage in XP

Computer shop news has such a phenomenon, when the computer installing Windows XP receives the connection request on port 445, Windows XP will allocate memory and allocate CPU resources to these connections in a small amount. Provide services. When the connection request load is too heavy, the CPU usage may be too high, resulting in a sharp drop in system performance or even a suspended animation. The cause of the problem: This is due to the “proportional misalignment” between the number of Windows XP work items and the responsiveness. If there is a suitable MaxWorkitems setting, the system responsiveness can be improved. Solution: Click “Start”→“Run”, enter “Regedit” in the Run dialog box, click “OK", open the Registry Editor, and expand the following subkeys: HKEY_LOCAL_MACHINE\\SYSTEM \\CurrentControlSet\\Services\\lanmanserver, create a new DWORD value named "Maxworkitems" in its right window, and then double-click it, in the pop-up "Edit DWORD Value" dialog box, according to the memory capacity of the computer to determine The key value of this key, if the computer memory is less than 512MB, please type “256”; if the memory is larger than 512MB, please set it to “1024”. When you are done, exit the Registry Editor and restart your computer to take effect.