IMDB search fails when file extension is shown (1 Viewer)

[KevinM]

TV-Server Version: RC3 (Build 20432)
MediaPortal Version: RC3 (Build 20432)
MediaPortal Skin: Monochrome / Blue3
Windows Version: XP MCE 2005 SP3
CPU Type: Intel Pentium 4 3GHz
HDD: 250GB Western Digital (WDC2500KS-22MJB0)
Memory: 1024MB DDR
Motherboard: Kingston PC3200
Video Card: Sapphire ATI Radeon HD 3450 Silence "Low Profile" 256MB DDR2 TV-Out/DVI/HDMI (PCI-Express) - Retail
Video Card Driver: ATI Catalyst 8.5
Sound Card: Realtek High Definition Audio
Sound Card AC3:
Sound Card Driver: 5.10.0.5028
1. TV Card: Pinnacle PCTV Dual DVB-T Pro PCI
1. TV Card Type: DVB-T
1. TV Card Driver: Pinnacle Systems 3.2.4.0
2. TV Card: Hauppauge WinTV-HVR1300
2. TV Card Type: Hybrid DVB-T, Analog
2. TV Card Driver: BDA 2.119.25023.0
3. TV Card:
3. TV Card Type:
3. TV Card Driver:
4. TV Card:
4. TV Card Type:
4. TV Card Driver:
MPEG2 Video Codec: Cyberlink Video/SP Decoder (PDVD7)
MPEG2 Audio Codec: MPA Decoder Filter
h.264 Video Codec: Cyberlink H.264/AVC Decoder (PDVD7.x)
Satelite/CableTV Provider:
HTPC Case: Elonex Artisan LX
Cooling:
Power Supply:
Remote: HP Media Center p/n 5187-4401 (MCE Equivalent)
TV: LG 42LF65
TV - HTPC Connection: DVI to HDMI

This one is easy to reproduce.

If I turn on the display of video file extensions, IMDB fails to find the film from MediaPortal's F9 | IMDB search. I then have to manually enter the name of the file without its extension and everything is OK