QuickMonth Calendar – QMC.EXE
Qmc.exe is the executable for a program called QuickMonth Calendar by CodeDawn. QuickMonth Calendar is a freeware program which displays a small calendar on your Windows desktop whenever your mouse hovers over the clock in the system tray. The calendar display may also be toggled on and off by using the Windows+Q keyboard shortcut or a different key combination that you specify.
You'll find more information at http://www.codedawn.com/home/quickmonth-calendar/. At the time of this writing, Prevx and Kaspersky flagged this as a suspicious file. This is believed to be a false positive.
Safe
CodeDawn