One thing I have discovered is that I can't be doing ANYTHING else like downloading a file while using the scanner or it locks up so tight I have to reboot to get it started again.
It is unlikely that the AV program is to blame as it would manifest itself at the beginning of the process and preventing any scans rather than after it had already processed several.
I have a brand new LIDE 220 and it is doing the same thing. I can get maybe 1 or 2 scans done and then it hangs in the middle of a scan. After about 5 minutes says the scanner isn't connected. When I try scanning again it hangs witn the "Scanner warm...