... If winupdate.exe is located in the folder C:\Windows\System32 then the security rating is 77% dangerous. File size is 786,432 bytes (13% of all occurrence), 1,467,904 bytes, 1,335,808 bytes, 2,188,288 bytes, 1,378,373 bytes, 5,632 bytes, 1,458,176 bytes, 108,271 bytes, 87,040 bytes, 1,335,296 bytes, 104,679 bytes, 1,287,698 bytes, 231,354 bytes, 107,008 bytes, 61,628 bytes. It is not a Windows core file. There is no information about the maker of the file. ... The program has no visible window. It is an unknown file in the Windows folder. winupdate.exe is able to record inputs, monitor applications, hide itself, manipulate other programs. ...