windows 2003 use windows update to download patches, when downloading click cancle. after that, windows update can not download patches with a failed error.
this issue related to windows update configuration file crupt. i can get the windows update log from %windir%\windowsupdate.log. the error shows DnldMgr Error 0x8024402c occurred while downloading update; notifying dependent calls.
sc stop bits
sc stop wuauserv
rename folder "%windir%\SoftwareDistribution" to another name.
mkdir /s "%windir%\SoftwareDistribution"
cacls "%windir%\SoftwareDistribution" /G Everyone:F
gpupdate /target:computer (only for the workstatin running in domain mode with wsus.)
sc start bits
sc start wuauserv
wuauclt /detectnow (only for the workstatin running in domain mode with wsus.)
use windows autoupdate from IE to check patches. (for workstation without wsus.)