Recording-Timer causes high cpu-load every 5 seconds

TV-Server Version: 04-30-2007 09-59h Revision 14458
MediaPortal Version: 0.2.2 + SVN 14458
MediaPortal Skin: BlueTwo
Windows Version: WindowsXP SP2
CPU Type: AMD Athlon64
HDD: 160GB
Memory: 2048MB DDR
Motherboard: Asus A8N-SLI Deluxe
Motherboard Chipset: nForce4 AMD
Motherboard Bios: 1016
Video Card: ATI Radeon x800XT
Video Card Driver: 7.3
Sound Card: Soundblaster Audigy 2
Sound Card AC3: Soundblaster Audigy 2
Sound Card Driver: last
1. TV Card: FireDTV C/CI
1. TV Card Type: DVB-C
1. TV Card Driver: last
2. TV Card: FireDTV C/CI
2. TV Card Type: DVB-C
2. TV Card Driver: last
3. TV Card: Terratec Cinergy 1200 DVB-T
3. TV Card Type: DVB-T
3. TV Card Driver: 4.8.16
MPEG2 Video Codec: Cyberlink (PowerDVD 7.3)
MPEG2 Audio Codec: MPA
Satelite/CableTV Provider: NetCologne Multikabel
HTPC Case: Silverstone LC18?
Cooling: coooool
Power Supply: 420W
Remote: MCE-remote + IRTrans
TV: no TV - CRT-display
TV - HTPC Connection: MultiSeat over GBIT-LAN

If i add a new recording-timer for the program "c't magazin", a high cpuload (100%) occours every ~ five seconds (50% tvservice, 50% mysqld_nt). MySQL5 is used as database.
In my mind it is a problem with the '-character. There are no interesting log-entries . After removing the timer, the problem disappears.