I only use TS2 once week every Tuesday. Last week the 8th of Oct everything was fine, but on attempting to open yesterday the 15th I got an error msg:

TDSound Out. Open (DirectSound create): No sound driver is available for use.

All other parts of computer work fine, and TS2 opens correctly except of course no sound.

The only change to the computer in the intervening week have been a multitude of automatic Windows updates.
Any thoughts on solving this issue? I have so far did a cold reboot, reinstall over old install, uninstall/reinstall and manual deletion of all updates except security ones in the intervening week.