RE: Intal error
This errors seems to come about due to a corrupt update to iTunes, but I don't know if you have updated that application. Anyhow, there seems to be plenty of hits searching the internet for the error. For example: forums.appleinsider.com/.../library-extension…
Cant uninstall
I had to reinstall OSX, and afterwards. I had a few "kext" files that were corrupted or otherwise not working properly. I was able to delete all of them (about 5, and they were mostly device drivers like my wacom tablet and 360 controller.) However, Sophos…