This error started on the 28th with no warning. WindowsUpdate_80244019 OR WindowsUpdate_dt000. I ran avast and malwarebytes but no result. I ran scannow it found corrupt files but was unable to fix them. I ran check disk and it found some corrupt files but It fixed them. I ran scannow again and It found some corrupt files again but was still unable to fix them. See attached log file of scannnow
Windows 8.1 pro
Windows 8.1 pro