Every time I try to run a scan for virus I keep getting this error message “Unable to start scan. The IOCTL call made by the application is not correct”
Repair Avast:
Control Panel> Program and Features (Add/remove program)>Select Avast> Select Repair. Reboot when completed
https://www.avast.com/faq.php?article=AVKB204
If Repair doesn’t fix the problem, try the following:
Clean Install of Avast:
https://goo.gl/4Ptzkf
The issue is now fixed. Thanks.