Thanks for help. I tried that, exactly as you wrote and how it's in
https://www.bitcoinarmory.com/troubleshooting/ Command-Line Options, but error and log is the same. I tried both C: and F: and created folders myself. Will try tomorrow, maybe I did sth wrong...
2017-05-13 23:38 (ERROR) -- ArmoryQt.py:1808 - Failed to start Armory database: Invalid blockdata path
Traceback (most recent call last):
File "ArmoryQt.py", line 1793, in startArmoryDBIfNecessary
File "SDM.pyc", line 368, in spawnDB
BadPath: Invalid blockdata path
2017-05-13 23:38 (INFO) -- ArmoryQt.py:1900 - Setting netmode: 0