I have the same issue. Log file contents:
# Log begin at 2019-11-12 18:28:48.795
[2019-11-12 18:28:48.795 +2 0x3378 INFO LOG] InstallHelper Begin
[2019-11-12 18:28:48.797 +2 0x3378 INFO LOG] Process Elevated.
[2019-11-12 18:28:48.799 +2 0x3378 INFO LOG] Load text from : C:\Program Files (x86)\VIVE\Updater\Tool\Text\en_US.json
[2019-11-12 18:28:48.801 +2 0x3378 INFO LOG] Target Installer : C:\Program Files (x86)\VIVE\Updater\App\PCClient\ViveportDesktopSetup-1.3.10.10.exe
[2019-11-12 18:28:48.803 +2 0x3378 INFO LOG] Target Name : VIVE PORT
[2019-11-12 18:28:48.803 +2 0x3378 INFO LOG] Working Folder : C:\Program Files (x86)\VIVE\Updater\App\PCClient
[2019-11-12 18:28:48.804 +2 0x3378 INFO LOG] Action : OOBE
[2019-11-12 18:28:48.805 +2 0x3378 INFO LOG] Param : /silent
[2019-11-12 18:28:48.806 +2 0x3378 INFO LOG] Param : /norestart
[2019-11-12 18:28:48.807 +2 0x3378 INFO LOG] Param : APPLICATIONROOTDIRECTORY=C:\Program Files (x86)\VIVE\PCClient
[2019-11-12 18:28:48.808 +2 0x3378 INFO LOG] Param : /log
[2019-11-12 18:28:48.808 +2 0x3378 INFO LOG] Param : C:\Program Files (x86)\VIVE\PCClient\installLog.txt
[2019-11-12 18:28:48.809 +2 0x3378 INFO LOG] Params : "/silent" "/norestart" "APPLICATIONROOTDIRECTORY=C:\Program Files (x86)\VIVE\PCClient" "/log" "C:\Program Files (x86)\VIVE\PCClient\installLog.txt"
[2019-11-12 18:28:49.998 +2 0x3378 INFO LOG] Launch OK. Wait for process end.
[2019-11-12 18:28:51.771 +2 0x3378 INFO LOG] Got exit code : 5
[2019-11-12 18:28:51.815 +2 0x3378 INFO LOG] Couldn't install VIVEPORT (5)
[2019-11-12 18:28:51.817 +2 0x3378 INFO LOG] Reset ut.ini
[2019-11-12 18:28:51.819 +2 0x3378 INFO LOG] Don't show message box due to from OOBE and has no show message reg.
[2019-11-12 18:28:51.820 +2 0x3378 INFO LOG] Write registry Software\HtcVive\InstallHelper OK
[2019-11-12 18:28:51.823 +2 0x3378 INFO LOG] Terminated.
