installation problem

I have Pro Tools 10 release.

I try to find a solution to a technical problem. The problem could be simple to solve, but I need the advice of experienced people ...

Basically, I've updated my version Pro Tools 10 (10.2.0 which was working fine) to update 10.3.7 to be able to have access to a virtual instrument. I installed the new version of the software, taking care to disconnect everything (usb cable off, sound card disconnected, closing the antivirus, closing all other windows and applications, key ILOK off, etc.). The software 10.3.7 is installed, plug-ins are responsible, but a message appears (see screen image) telling me that 'Pro Tools hardware is not installed or used by another program' .

I removed the software and reinstall the 10.3.7 release. but it's still the same problem.

I'm PC Win 7 64 bit. I have asio4all driver for playback. My software is installed on the C drive and made ​​my music files are on another hard drive. The software is installed in my programs (-c disk system)

Thank you for your answer