Bo wrote me directly (please keep the discussion here in the forum so others learn too!):
Hi Enis
I upgraded Android Studio and proberly Android SDK
I now changed the Path to the SDK in Genymotion to Genymotions own in spite of the usually sugested
And now USB connection works
ThanksYes, Genymotion depends upon the ADB to be correct and located properly. If you have an old version of the ADB, they won't work. There's a setting to tell Geny where the ADB is. Upon install, it installs the adb that was included int he setup set. If you have a newer ADB on your system, point it there...