not enough free diskspace when changing channels (1 Viewer)

[wertzui]

Area: Media Portal Program
MediaPortal Version: 0.2.0.0 RC4$CVS-16.05.2006- 1:01:01,15
(2006-05-16)
MediaPortal Skin: Vista MCE
Windows Version: Windows XP (SP2)
.NET CLR Version: 2.0.50727
DirectX Version: 4.09.00.0904 (9.0c)
Audio Codec: MPEG/AC3/DTS/LPCM Audio Decoder
Video Codec: Mpeg2Dec Filter
CPU Type: AMD Athlon XP 2200+
Memory: 511 MB
Motherboard: VT8367-8235
TV Card Model: Nova-T
TV Card Type: DVB
TV Card Driver: 2.102.22285.0
Video Card Model: Nvidia Geforce4 TI 4600 (128 MB)
Video Card Driver: 7.1.5.0
Video Card Resolution: 1600x1200
Video Render Type: VMR9
Audio Card Model: Vinyl AC'97 Codec Combo Driver (WDM)
Audio Card Driver: -
Synopsis::

When i watch a tv-channel for some tome and then want to switch to another channel, a message pops up, telling me, that there is not enough free disk space. if i click ok, the old channel continues playing without problems. but i have to turn tv off and on again and then select the new channel to switch to that channel