I got an error message after updating Atena from 5.0.3c to 5.1.1

only Atena studio v5 x64 works

prior the updating, I have removed former files (uninstall tool)
I've installed Atena on a Windows server standard 2008 SP2 x64

here is the message i  got after launching Atena 3d studio:

'' this application has failed to start because mfc110.dll was not found. Re-installing the application may fix the problem''

unfortunately, after re-installing the application properly and reboot the server, it still doesn't work

I have unplugged the hard-lock, update with the new included in the 5.1.1 : not working as well

after few research online, I found that some DLLs missing can be re-established by installing Microsoft Visual C++ but it didnt work.

everything else has failed : Atena 3d / studo v5 / update check with different dll missing and violation access warning

help is welcome thx