You must do this first:
http://usa.autodesk.com/adsk/servlet/ps/item?siteID=123112&id=2887771&linkID=9240617
then:
http://usa.autodesk.com/adsk/servlet/ps/search?la=en&siteID=123112&catID=2334116&linkID=9240817&qt=Fail+to+Create+CommCntrClientSink+object
Other ideas:
http://discussion.autodesk.com/search.jspa?numResults=25&source=forumlist%7C12&q=Fail+to+Create+CommCntrClientSink+object&inputEntered=true&objID=c12&search.x=26&search.y=5
http://discussion.autodesk.com/search.jspa?numResults=25&source=forumlist%7C8&q=Fail+to+Create+CommCntrClientSink+object&inputEntered=true&objID=c8&search.x=15&search.y=8
http://search.yahoo.com/search;_ylt=A0geu5VK3.VGPzQBdztXNyoA?p=Fail+to+Create+CommCntrClientSink+object&y=Search&fr=cb-max
http://www.google.com/search?hl=en&sa=X&oi=spell&resnum=0&ct=result&cd=1&q=Fail+to+Create+CommCntrClientSink+object&spell=1
I would unload all the Norton junk software first and any other
'systemworks' mess and anything else you have for software that claims
to fix your registry as part of it's useless existence on your PC.
These 'helpful' features are buried in purchased anti-virus, anti-spam
and anti-whatever-the-scare-today-is software packages, all junk.
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Dean Saadallah
Add-on products for LT
http://www.pendean.com/lt
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