Explanation of the automatic repair command (SFC) of the XP System

The system was poisoned, nine viruses were cleared, and the system was damaged. With this command, I felt good and dedicated to everyone.

CMD> sfc.exe system file repair check Command Windows system has been used for a long time, it is difficult to avoid loss of system files, it is actually through the System File Check sfc.exe
(A Windows tool used to verify system file integrity and repair system files). In XP,
Click "start-run", enter "cmd", open the "command prompt" window, enter SFC after the cursor prompt, and press Enter.
Open the System File Checker. For example, "SFC/scannow" checks whether the current system file is damaged and whether the version is correct.
If an error occurs,ProgramYou will be asked to insert the XP installation disc to fix or replace the incorrect file. If
The dllcache folder is damaged and the latter is unavailable. You can also use the "SFC/scanonce" or "SFC/scanboot" command to fix it.
This folder ensures the security and stability of the system.
/Scannow immediately scans all protected system files/scannonce scans all protected system files at next startup. /Scanboot scans all protected system files at each startup. /Revert will return the scan to the default setting/purgecache clear File Cache/cachesize = x set File Cache size