IN/OUT Event ignored - event name "lrc_auto_detect_dll" not found

Hi~
I'm new to LoadRunner 9.50.
Here is my problem ,I try to record .Net 3.5 clickonce (exe) , but the error happen "lrc_auto_detect_dll" not found.

if anyone had the idea ??

ps1.the clickonce exe is ok when standalong running.

ps2.when recording , i can see the clickonce exe in the taskmgr , but can not be record.

ps3. lr9.50 vista business sp2 symantec antiVirus.