MiKTeX Error: Can't install koma-script Package "Transferred a partial file"

I’m trying to install the koma-script package using MiKTeX console, but the error occurred in the middle of installing. Why does it happen? I attached the screenshot and copy the error info below here.

GENERAL MIKTEX INFORMATION Date: 2020-07-27 15:17:11 MiKTeX: 2.9.6960
OS: Windows 10 Pro, 64-bit, build 18362 SharedSetup: no PathOkay: yes
LastUpdateCheck: 2019-02-01 16:19:09 LastUpdate: 2019-02-01 16:34:21
SystemAdmin: yes RootPrivileges: no AdminMode: no Root0:
C:UserseldonAppDataRoamingMiKTeX2.9 Root1:
C:UserseldonAppDataLocalMiKTeX2.9 Root2:
C:UserseldonAppDataLocalProgramsMiKTeX 2.9 Root3:
C:ProgramDataMiKTeX2.9 Root4: C:Program FilesMiKTeX 2.9
UserInstall: C:UserseldonAppDataLocalProgramsMiKTeX 2.9
UserConfig: C:UserseldonAppDataRoamingMiKTeX2.9 UserData:
C:UserseldonAppDataLocalMiKTeX2.9 CommonInstall: C:Program
FilesMiKTeX 2.9 CommonConfig: C:ProgramDataMiKTeX2.9 CommonData:
C:ProgramDataMiKTeX2.9 Invokers: non-existing/explorer

Warning: the following problems were detected:   1: it has been a long
time since updates were checked   2: installation is not up-to-date

ERROR DETAILS Program: C:UserseldonAppDataLocalProgramsMiKTeX
2.9miktexbinx64miktex-console.exe Source: LibrariesMiKTeXPackageManagerCurlWebSession.cpp:264 Error:
Transferred a partial file Details:    code: 18   url:
https://mirror.yongbok.net/ctan/systems/win32/miktex/tm/packages/koma-script.tar.lzma