DCPromo doesn't lanch stuck at checking binaries

C:\Users\admin>sfc /scannow

Beginning system scan.  This process will take some time.

Beginning verification phase of system scan.
Verification 100% complete.

Windows Resource Protection did not find any integrity violations.

Looks like things look ok here

To check servicing you'll need to run SUR tool.

https://support.microsoft.com/en-us/kb/947821

Then check for errors in;
%SYSTEMROOT%\Logs\CBS\CheckSUR.log

Regards, Dave Patrick ....
Microsoft Certified Professional
Microsoft MVP [Windows Server] Datacenter Management

Disclaimer: This posting is provided "AS IS" with no warranties or guarantees, and confers no rights.