More than one person can't edit the same file at the same time otherwise you'd get unexpected results. Either they use separate templates or catch the error and wait a while and try again.
Did you manage to solve the first problem?
For the first issue "Call was rejected by callee" it was not the problem of Anti virus...
I just make null the objword object just after making Word visible.
Till time haven't got that problem yet and stand resolved.
Another problem frequently disturbing is
"Automation server can't create Object" and once we again login to the application it disappears and application work fine and suddenly appears again....I don't no why? what is the reason. IE all settings are on LOW
Acoder can u plz help on this?