Installation Failure: Windows failed to install the following update with error 0x80070643: Definition Update for Windows Defender - KB2267602 (Definition 1.239.701.0).
OK I HAVE DONE FOLLOWING
RAN SFC/SCANNOW NO ERRORS OR PROBLEMS FOUND
Ran Troubleshooter for Update all fixed
still getting same error
Only way to update defender is to open & click update now button