Hi.
After following all the proposals on this post and others found on Internet,
the issue was still there for my iMac (24" early 2009, OS 10.9.2) and its integrated iSight.
I tried to uninstall any AirDisplay, AirServer, AirParrot, AirWhatEverIFound ...
(even if I don't remember that I installed them).
But no impact, iSight still not found (but working in Safe Mode, so no Hardware issue) !
So based on all the posts about 3rd party extensions, I went in "System Info" listing Extensions,
looking for the one that were loaded.
I found ScreenRecyclerDriver from unknonw source.
So here is what I did :
- In Finder, open "/System/Library" folder
- Create a folder named "Extension (Off)"
- Copy the file "ScreenRecyclerDriver.kext" from folder "Extension" to folder "Extension (Off)"
- Delete the file "ScreenRecyclerDriver.kext" from folder "Extension"
- Restart iMac.
And YYYYYYEEEEESSSS🙂, iSight is agin found by Photo Booth, FaceTime and Skype.
And no more crash of the famous "VDCAssistant".
I don't know where "ScreenRecyclerDriver" come from, but I found the troublemaker (for my iMac).
I hope it will also help someone else 😉
Lastday