cmd 管理员模式运行 依次运行如下命令后再尝试更新 net stop wuauserv net Stop cryptSvc net Stop bits net Stop msiserver ren C:\Windows\SoftwareDistribution SDistribution.old ren C:\Windows\System32\catroot2 Catroot2.old net Start wuauserv net start cryptSvc net Start bits net start msiserver