Hi all, Apologies to those who have been experiencing problems using boost.thread condition variables on Windows. I have checked in a new tentative fix to SVN trunk, and would be grateful if people could put it through its paces. Thank you for your patience, Anthony -- Anthony Williams | Just Software Solutions Ltd Custom Software Development | http://www.justsoftwaresolutions.co.uk Registered in England, Company Number 5478976. Registered Office: 15 Carrallack Mews, St Just, Cornwall, TR19 7UL