TeamViewer crashes ntdll.dll in Windows 7

I haven't a clue what's happening. I've clean re-installed TeamViewer 13. TeavViewer crashes when I start it. Here is my Windows error log for this crash:

Windows 7 SP2
8GB Ram
Teamviewer 13

Faulting application name: TeamViewer.exe, version: 13.0.6447.0, time stamp: 0x5a33aa7f
Faulting module name: ntdll.dll, version: 6.1.7601.23915, time stamp: 0x59b94a16
Exception code: 0xc0000374
Fault offset: 0x000ce85b
Faulting process id: 0x13d0
Faulting application start time: 0x01d38381b8f3458f
Faulting application path: C:\Program Files (x86)\TeamViewer\TeamViewer.exe
Faulting module path: C:\Windows\SysWOW64\ntdll.dll
Report Id: fd4a8b13-ef74-11e7-a03c-f80f4146dff0

Thank you for your help.