For those noticing Defender's real-time service turning off temporarily after a definition update, this is expected after a new client update. Feel free to reach out to me if real-time protection...

Hi, when did your friend's defender start acting up?

"0x80240442 - WU_E_PT_OBJECT_FAULTED. The object is in a faulted state due to a previous error." Seems like your Windows Update is in a bad state. See if anything here helps you:...

For those who have been experiencing the Windows Defender update error 0x80070643 recently, please check my latest update to the thread On Windows Defender Definition Update error 0x80070643.

;);)

Please check my reply above.

For those who have been experiencing the Windows Defender update error 0x80070643 recently, please check my latest update to the thread On Windows Defender Definition Update error 0x80070643.

For those who have been experiencing the Windows Defender update error 0x80070643 recently, please check my latest update to the thread On Windows Defender Definition Update error 0x80070643.

For those who have been experiencing the Windows Defender update error 0x80070643 recently, please check my latest update to the thread On Windows Defender Definition Update error 0x80070643.

For those who have been experiencing the Windows Defender update error 0x80070643 recently, please check my latest update to the thread On Windows Defender Definition Update error 0x80070643.

For those who have been experiencing the Windows Defender update error 0x80070643 recently, please check my latest update to the thread On Windows Defender Definition Update error 0x80070643.

bump. Please find my latest update above.

bump. Please look at my latest update.

Hmm, the link works for me on chrome.

:chuckle:

Update 4/5/2017 4:00AM pst:

Please update to the latest threat definition version (1.239.837.0 or higher) via Windows Update or the Windows Defender Client UI. If you are still experiencing the...

Please check this thread On Windows Defender Definition Update error 0x80070643 - - Windows 10 Forums

Update 4/5/2017 4:00AM pst:

Please update to the latest threat definition version (1.239.837.0 or higher) via Windows Update or the Windows Defender Client UI. If you are still experiencing the...

Thanks for your PM. Since I'm new to the forums I cannot directly respond back to you. We don't need any more logs at this point. We are working as quickly as we can to get a fix out. Meanwhile...

Hi All,
For those experiencing Windows Defender update error 0x80070643 thank you for your patience. We are aware of the issue and trying to roll out a mitigation as soon as possible. Meanwhile to...

Hi All,
Thank you for your patience regarding Windows Defender update error 0x80070643. We are aware of the issue and trying to roll out a mitigation as soon as possible. Meanwhile to get your...

Hi all,

I work for the Windows Defender team (evidenced here: Microsoft Community). I would like to collect some logs from people who have been recently running into the 0x80070643 error. If you...