Has the fact that I've a beta-version installed? Any idea of uninstall and re-install a non-eta?
Armory is beta software.
Printscreen
It's not looking for block data in the default location, which you said is not right. Where did you download the blockchain?
I just scaned c: there are no dbLog.txt
Does your user/Armory have permission to write in C:\Users\Martin\AppData\Roaming?