No Sound on 3 of 5 clients- RESOLVED

Have a strange problem. I am multi-boing with 5 accounts. (World of Warcraft) I am using InnerSpace to launch the accounts. Clients 1 and 2 have sound just fine, but clients 3,4 and 5 do not. 3,4 and 5 have sound if I open them by themselves so I don't think it is a settings issue.

I lowered the sound quality to low on all clients to see if this would fix it. Also tried Use hardware option in game and still no sound on 3 clients. I am running Vista 64, Quad core, 8GB memory, GTX285 Video card, Realtek High Def audio onboard sound, XFX 790i Ultra Mobo.

Just wondered if anyone else has run into this same type of issue.

Thanks in advance for any possible solutions.

so you have 5 WoW folders/setups? So far that points to ISboxer. Any clues in the device manager? Most boxers would be saying how do I turn off the other 2 toon's sounds. I have played almost totally with no sound, first because of hardware and no by choice as I prefer music to WoW sounds.

I have 5 WoW folders/setups. It is not ISBoxer causing this issue. I can open each client manually and as soon as I open the 3rd client I have no sound on that client while I still have sound on the first 2. I also can't hear on Ventrilo anymore after I open the 3rd client. As soon as I close the client, I can hear again. I disabled the sound on all but 1 client and still have the same issue. I am wondering if it just doesn't like my onboard sound. I really hate to go out and spend the money on a good sound card and end up having the same issue. That is why i am asking here first to get some sort of confirmation before I spend the money on a sound card.

Looks like it didn't like Hardware acceleration on the audio. Turned all those check boxes off and I am good now.

I can live without sound in all but my main client but it affecting Ventrilo was not good.