Lvw-5026 fw 203 problems

vbimport

#1

the fw V 203 eu is installed: when the timer is on and the recorder is in recording mode I press stop but it not respond and I must disconnect the power suppply.
if I run defrag after the video files are damaged.
sometimes the pictures is damaged and I must power off and on the recorder to view correctly the picture.
any help is welcome to solve this problem.