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Windows Defender Errors
Hi all. Some strange behavior from Windows 10 Defender and it seems to point to the April Cumulative Update KB4093112 but I'm not positive. It's fine if the moderators want to move this thread.
Prior to the CU, Defender worked perfectly. A very short time after a successful install, the following started happening...
1. Defender updates automatically or manually and has no problem running a manual scan.
2. Defender no longer runs auto scans -- 0x2 error. The other three processes in Task Scheduler show "operation completed successfully".
3. If I restart the computer and leave it idle, Defender will then immediately run a successful automatic scan and reflect that in the Task Scheduler.
4. The very next day in Task Scheduler, what showed as successful the previous day suddely shows all four Defender processes as "terminating unexpectedly" with error 0x8007042b. A few hours later, still on the previous day's date, the three processes change to "completed successfully" and the auto scan process is back to the 0x2 error.
AV scans, Malwarebytes, sfc /scannow and all DISM commands come up perfectly normal. My neighbor set up a brand new laptop the day before the cumulative update and Defender worked as it should. She got the CU a day later and now has the exact same Defender issues.
Any ideas or suggestions? I'm content to see if this sorts out with the big update we're waiting for. If it doesn't, then I might just resort to manual scans or consider a third-party AV.
Thanks for reading!