Что значит команды @ECHO OFF CD %windir%\system32 ECHO...

@ECHO OFF CD %windir%\system32 ECHO Stopping Services net stop bits net stop wuauserv net stop cryptsvc ECHO Delete Downloaded Updates DEL "%ALLUSERSPROFILE%\Application Data\Microsoft\Network\Downloader\qmgr*.dat" ECHO Clear Update Cache REN %systemroot%\SoftwareDistribution SoftwareDistribution.old REN %systemroot%\system32\catroot2 catroot2.old MKDIR %systemroot%\system32\catroot2 ECHO Reset BITS sc config BITS binPath= "C:\Windows\System32\svchost.exe -k netsvcs" DisplayName= "Background Intelligent Transfer Service" depend= Rpcss/EventSystem start= auto obj= "LocalSystem" password= "" sc description BITS "Transfers files in the background using idle network bandwidth. If the service is disabled, then any applications that depend on BITS, such as Windows Update or MSN Explorer, will be unable to automatically download programs and other information." sc privs BITS SeCreateGlobalPrivilege/SeImpersonatePrivilege/SeTcbPrivilege/SeAssignPrimaryTokenPrivilege/SeIncreaseQuotaPrivilege sc sdset BITS D:(A;CI;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;SAFA;WDWO;;;BA) sc sidtype BITS UNRESTRICTED ECHO Reset Windows Update sc config wuauserv binPath= "C:\Windows\System32\svchost.exe -k netsvcs" DisplayName= "Windows Update" depend= Rpcss start= auto obj= "LocalSystem" password= "" sc privs wuauserv SeAuditPrivilege/SeCreateGlobalPrivilege/SeCreatePageFilePrivilege/SeTcbPrivilege/SeAssignPrimaryTokenPrivilege/SeImpersonatePrivilege/SeIncreaseQuotaPrivilege/SeShutdownPrivilege sc sdset wuauserv D:(A;;CCLCSWRPLORC;;;AU)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;SY)S:(AU;FA;CCDCLCSWRPWPDTLOSDRCWDWO;;;WD) sc sidtype wuauserv UNRESTRICTED ECHO Reset Cryptographic Services sc config CryptSvc binPath= "C:\Windows\system32\svchost.exe -k NetworkService" DisplayName= "Cryptographic Services" depend= Rpcss start= auto obj= "NT Authority\NetworkService" password= "" sc privs CryptSvc SeChangeNotifyPrivilege/SeCreateGlobalPrivilege/SeImpersonatePrivilege sc sdset CryptSvc D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD) sc sidtype CryptSvc UNRESTRICTED ECHO Reset WMI Repository net stop winmgmt REN %systemroot%\system32\wbem\Repository Repository.old