[Rirague]

Hi I have installed oblivion fine, and the game loads into the menu fine and then loads into the game.
I can move around in the game fine for about 1 second and then suddenly my walking speed reduces to a horribly slow pace and the game becomes unplayable. I used the 'The Elder Scrolls 4 v1.0 (v1.0.228) [ENGLISH] No-DVD/Fixed EXE' I found on GCW to play this, is there something Im missing here or are other people having this problem?
Thanks.