, that I think answers most of your question for now -
I don't think that a change in the registery could trigger the co-installer.
What you can do to check what causes this Destroy_Private_Data event.
Is see if you find a time stamp in the coinlog.log and see what happend at that time in the setupapi files.
You can find the setupapi log files in the following locations
Contains information about Plug and Play devices and driver installation.
Contains information about application installation.
Edited by noknojon, 07 May 2012 - 04:41 AM.