Solve the problem of excessive CPU usage in XP

                    There is a phenomenon that when a computer installing Windows XP receives a connection request on port 445, Windows XP allocates memory and allocates a small amount of CPU resources to provide services for these connections. When the connection request is overloaded, it may The CPU usage is too high, which causes the system performance to drop sharply and may even enter a suspended state. 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, determine the key according to the memory capacity of the computer. Key value, 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.