Avast anti-virus software deleting Mitchell1/Snap-on shop management business ap

Avast Anti Virus software is causing a problem with our userbase, deleting the main executable for Manager Plus v 5.9 and Snap-on ShopKey version 5.9. Company website at http://www.mitchell1.com/pdg/twV5.html . We have 25,000+ users, many of which are bombarding our phone support this morning. The executable being deleted is series20.exe, or series10.exe, or sksm20.exe or sksm10.exe. John Dwulet - Sr Product Manager - Mitchell / A Snap-on company
Phone - 888-724-6742 x6828 Cell 619-820-9566

Report it here https://support.avast.com > avast virus lab