Eddy, running the scan less frequently will not address the problem.
Your AV have real time protection, meaning [b]evrything[/b] that goes on in your computer when on is scanned/monitored in realtime
c:\Users\Bob\AppData\Local\[b]Temp[/b]\CFB17BB7-F3B0-4186-90C1-B7E77C21B5D3\MsiProvider.dll [E] [b]The system cannot find the path specified (3)[/b]
This message usually mean the file is no longer there, and that may not be a surprise when located in a temp folder

This error message is usually gone if you reboot and scan again