How to open a clean boot of WinXP system

        The XP system clean boot setup steps are as follows:
1, first, we open the start --- run; enter the command msconfig to enter, as shown below
2, will pop up "System Configuration Utility" Here we can configure the system's startup parameters, startup items, etc., then we in the "General", inside the following figure, select the check:
3, then select “ Service & rdquo;, check & ldquo; hide all Microsoft Service & rdquo; checkbox, then click “ disable all ”, then “ application & rdquo;, & ldquo; determine & rdquo;.
4, then in the pop-up prompt box, we can choose to "restart", restart the computer.
The operation steps of XP system clean boot return to normal startup state are as follows:
1, at the beginning --- run, enter msconfig enter,
2, find "general" <; option bar select “ normal Start & rdquo;, application --- OK to exit.