Não entende minha sintaxe.
wusa.exe "IE11-Windows6.1-KB2929437-x64.msu" /norestart
Veja a caixa de ajuda que aparece.
/norestartWhen combined with
/quietinstaller will NOT initiate reboot.
Tente o seguinte comando:
wusa.exe {path}\IE11-Windows6.1-KB2929437-x64.msu /quiet /norestart
Em que {path} é o caminho completo para IE11-Windows6.1-KB2929437-x64.msu
Descrição do Instalador Autônomo do Windows Update no Windows
You can use the following switches together with Wusa.exe.
/norestartPreventsWusa.exefrom restarting the computer.The
/norestartswitch is ignored if the/quietswitch is not present.If you run Wusa.exe together with these two switches, you must manually restart the operating system after the installation is complete if the installation requires you to restart the computer.
For example, if the
Windows6.0-KB934307-x86.msufile is in theD:4307folder, type the following command at a command prompt to install the update package:wusa.exe D:4307\Windows6.0-KB934307-x86.msu /quiet /norestart
Fonte Descrição do instalador autônomo do Windows Update no Windows