我试着升级我的Win10 21h2但补丁一直无法安装并报告错误码0x800f0831,我该怎么处理?我试过sfc /scannow以及类似命令但都失败了。还有,我拒绝重装系统,因为重装除了删掉了我的个人文件外*用没有。I tried to update my Win10 21h2 but the pack is always can't install and reports me with the error code 0x800f0831, what should I do?I has tried to use sfc /scannow and other similar command but all failed. And, I refuse to re-install my system, because it's nothing useful but makes me lost my personal files. ,您好!感谢您联系本站支持平台!了解到您目前遇到安装更新报错的问题,0x800f0831报错表示:无法安装的更新需要上一个更新包的清单。您可以尝试以下步骤:1.“Windows+X”>>计算机管理>>服务和应用程序>>服务,找到WindowsUpdate和BackgroundIntelligentTransferService服务,关闭。2.删除路径C:\Windows\SoftwareDistribution\DataStore和C:\Windows\SoftwareDistribution\Download下的所有文件。3.重新开启Windowsupdate和BackgroundIntelligentTransferService服务。4.再次尝试升级更新。