My AV guarantied the "wkcalrem.exe" file from C:\Program Files\Microsoft Shared because of an infection by a Trojan horse "Generic8LDI" (File size 52KB (53217 bytes), which is not healable. Some of my programs in Microsoft Works will not work without this file. What do I have to do, to reinstall this file? Grateful as always to to get your helpful advice. Thank you.