Ich spreche Deutsch, aber es ist nicht gut so ich werde auf Englisch schreiben

So, we have the receiver TF 7750 HDPVR for one month and we found some little problems.. and I hope you could help me with them. It could be crazy, but I don't know how to solve it

When watching recorded file or just watching some TV channel the keys on the remote control stop react and the only one which works is the turn OFF-ON button. You can´t increase volume or change the channel. The only way how to fix it is to turn the receiver off and after a while turn it on again. While turning on, on the TV appears a text box with: Verifying files and folders. It lasts for a while, I dunno, maybe 5 minutes. After than all is OK and you can use the remote control normally

And the question is-... Why it is so? When it happens 3-4 times per day it´s really annoying.. Please, don´t ask me to reclaim it because I ordered it from Germany via the Internet and I´m not from Germany.
Actually, when I turn it on normally (when there was not a problem with the non-reacting remote control) it doesn´t verify the files and folders.
Well, I hope you understood and my "important" infos were enough and you can help me with this...
Thanks a lot
