This Is Deadkill i fixed my post this will have more information on my problem...

I Beat the campaign on Rookie And Normal i got bored so i decide to play multiplayer i was tring to get on the gamemode Infiltration i was waiting for about a half hour so i gave up this is what i think the problem is...

1. i didnt regester it right "We Couldn't find a Splinter Cell Account Linked to your Ubisoft Profile. Make Sure To Link Your Profiles in-game so we can find you." I have this game for steam i created this account put the Cd Key on it and it said ok, if you know how to link my profile please tell me got that message from this site http://g2w.ubi.com/splinter-cell-conviction/match/

2.Or i this but i dont think its the problem didnt affect my single player game my video card is not supported " Video Card: [ATI] Radeon X1300 Series Not Supported"