@michmatt55,
Some files could be corrupted.
Uninstall and reinstall everything you need to, Starting with Toontrack Solo and SD2 and get Asio4all installed if haven't done it already. (Asio4all is a virtual Audio Device Software) its good for its low audio latency which in DAW Softwares works great.
Now Configure the basic settings for Toontrack Solo, These steps are to ensure you get the DM10 to be recognize by Toontrack Solo again and move to your DAW Software. (Use Toontrack Solo 32 Bit Version If You're On 64 Bit)
1st. Open Toontrack Solo select Superior Drummer 2, Click on Options tab and select MIDI Devices, Under MIDI Devices, you should see your device which is DM10, so check the box to select it and press ok.
2nd. Click on Options again, Audio, Audio Device and change "Device Type" To ASIO, Highlight ASIO4ALL v2.
Check everything if its working with DM10 and make you use the DM10 Modules Original USB Cable as some of the other versions cables might Drop the connection.
What if you see that SD2 is receiving Midi message from your DM10 but you hear nothing?
There will be a Green square play icon in the right taskbar After ASIO4ALL is selected in a Standalone Program or DAW Software (on Windows), Click on it, click wrench icon, you will see your computer Soundcards or Audio interface Soundcard which is input or output that sort of thing, collapse it by clicking the + to see the ins and outs.
What you want is Audio output to your PC so click on the power icon beside it to see it light up with a play icon beside it aswell (indicating That its ON)
Last thing is to assure your Computers Playback Device is set to your Computer Speaker as default.
I Highly Advice getting this things Done before moving to Studio One Pro 2 Configurations.
For Mappings Of Alesis DM10 With Toontrack Superior Drummer 2, Look for my post on This Thread:
http://www.dmdrummer.com/index.php?topic=815.0The mappings are made with DM10 Studio Kit and it works great with Toontrack Solo which includes open and close hi hat, Variable hi hat Sounds.
Try using it With DM10 Pro if you need, and see if it works.
A Mapping Version for DAW Softwares is also Made as the Variable hi hat Sounds does not work in DAW Softwares so Velocity sensitive hi hat Function has been added to substitute the Variable sounds. The sounds of the hi hat gets more opened the harder you strike them while your foot is of the pedal and close sounds while stepping the pedal.