front end problems in communicator server 2007

This service usually stopped. I do not know why? I tried every time to start it but i got these errors :
error code 1008124857
error code 3286842439

Could any one help me please ?

thanks

Copyright © 1996 Meni Milstein. No portion may be reproduced without my written permission. All registered trademarks or trademarks belong to their respective companies. Should any right be infringed, it is unintentional. Let us know and the matter will be rectified. All other contents that may be linked from this site, and or forum posts in this site are not under our immediate control and not our responsibility. We do our best to maintain all the Forums and editing them sometimes takes several days.