We're not going to troubleshoot this issue here, unless you have another workaround or solution that works. I suggest you install the game, verify the error I gave you, verify the workaround, and if...

Yes - Here on Build 17063, I believe I have tried every option available within the Windows Defender UI: Excluding the related Blizzard and Hearthstone folders, allowing the programs through...

Come on guys. Let's get back on-topic please.

I run BOINC too, 24/7, on all CPU cores+threads, to do science and serve humanity. My PC is NEVER idle. How does that factor in? :-p

My point is that:
So far, we've got: suspicions, guesses, and...

I'll repeat myself: For several, Real-time protection is currently causing an issue, where the only way to play Hearthstone, is to disable Real-time protection, in Insider Build 17063.

The issue...

I have asked Microsoft, in the Feedback Hub item, regardless of your claim of reasons. Thank you.

Please UpVote this feedback item, if you believe Microsoft should clarify this a bit:
https://aka.ms/Dabwz0


Thanks for your reply.

I understand what you're saying - It's meant to be left on...

Can we please get an answer to the question:
What is the duration of a short time?
... as it pertains to Windows Defenders "Real-time protection" message?

Click Start, they type "Feedback". You should see a "Feedback Hub" app. In it is a feedback section, where you can search for Problems and Suggestions that the community has reported, and Upvote the...

Hmm.. My Windows Update also wasn't working, and was giving me error 0x80070643 trying to update Windows Defender definitions. Even trying to update them inside of Windows Defender, wasn't working! I...

I'm new here too! And I don't consider my response as "out of hand". It's just quite a bit unnerving to me, to call a workaround as a solution. I've seen it all too often, and it's part of the reason...

Thanks. :)
Where I come from, we don't sweep things under rugs. We FIX them. And I didn't yell at you, BUT YOU'D KNOW IT IF I DID! :p

I'm actually a Windows 10 Insider, and have never seen this...

NO.

A workaround is NOT a solution. We don't know the cause, and we don't have a solution. Please do not mark as solved.

You're welcome. Please be sure to open the Feedback app, and either UpVote relevant feedback or create your own. We need to make sure Microsoft gets feedback through that app.

Same issue here, too. Very curious! For me, it happened right after upgrading to 14393.479, and only on 1 of my PCs I think.

Note: I found a quick workaround to stop it until next reboot:
Start...

Currently (in Build 10576), the "Content" Layout View, and any sizes BETWEEN Small icons and Medium icons, do NOT show the overlay. You can access those intermediate sizes, by using a mouse and...