Sub problems, HELP please!!

[osny]

Using Splash Pro 1.5.0

I lode a movie format .mkv
I lode a sub format .srt

Start movie:
Movie works fine but the subtitle just flashes by, like sometimes i cant see it and some times half a second or less.

How do i fix this problem?

Using:
Win XP SP3
Dualcore AMD athlon 3800+
nVidia Gforce 6600 GT
Msi K8N neo2

[Ghost]

This looks like a problem with graphics drivers.
Please try to update graphics drivers to the latest version available.