Nearly the same problem. It occurs after installing HP Scan . HPScan deinstalled. No chance to get rid of the icopy fault: Scanner Driver fresh, icopy fresh. (1.6.5.12) Running icopy as Admin doesn't change anything. Scan to file doesn't work: Unhandeled exeption: ** Ausnahmetext ** System.ArgumentException: File extension isn't a valid extension bei iCopy.appControl.Copy(ScanSettings options, Boolean openAfterAcquisition) bei iCopy.mainFrm.btnCopy_Click(Object sender, EventArgs e) bei System.Windows.Forms.Control.OnClick(EventArgs...