Init...
/opt/teamviewer9/tv_bin/script/tvw_main: line 42: /home/cheng/.config/teamviewer9/logfiles/startup.log: Permission denied

Error: Init failed. Please check '/home/cheng/.config/teamviewer9/logfiles/startup.log'

TeamViewer:        9.0.27891 - DEB
Profile:           /home/cheng (root)
Desktop:           DS: ''   XDG: ''
XServer TTY:       7

DistArch:          x86_64   ( Loader:   [X] ld32    [X] ld64 )
Distribution:
      Distributor ID:   Ubuntu
      Description:  Ubuntu 13.10
      Release:  13.10
      Codename: saucy
ok (info)

ok (profile)