781 questions with Microsoft Security | Microsoft Defender | Other tags

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How can I verify that it was WIndows Defender that asked me to allow sending a file about Brave update?

I am using Windows 11 Home on my pc. Yesterday, some time after updating Brave browser, Windows Defender asked me to allow a file to be sent. The name of the file had something like the words 'brave' and 'update' so I allowed it. Now I think this was the…

Microsoft Security | Microsoft Defender | Other
asked 2026-10-04T07:17:00.91+00:00
Anonym0us 0 Reputation points
0 answers

Does The M.D.A. Detect More in 2026, Or Still Continues on By Detecting Less?

I have the installed M.D.A. as my only line of defense and noticed in various 2026 websites run by security experts who claim that the M.D.A. in 2026 has been showing by detecting less than more and the security experts then added by saying that using a…

Microsoft Security | Microsoft Defender | Other
asked 2026-10-04T03:10:07.6666667+00:00
maroner pierre 45 Reputation points
1 answer

How do I delete Protection History in the windows defender?

Hello, Recently my windows defender protection history log has been getting larger and larger. Every time I open it it takes 5 minutes to load. I have tried: Deleting C:\ProgramData\Microsoft\Windows Defender\Scans\History in safemode (after turning…

Microsoft Security | Microsoft Defender | Other
asked 2026-10-03T14:59:05.96+00:00
mm 0 Reputation points
answered 2026-10-03T16:54:04.9+00:00
Marcin Policht 109.6K Reputation points MVP Volunteer Moderator
1 answer

Waiting on Analysis for Malware File

I submitted a file for malware analysis and it's been in the pending state for 3 weeks. Is there another place to submit the file to make sure it gets checked. My submission ID is  [Removed PII]

Microsoft Security | Microsoft Defender | Other
asked 2026-09-16T20:41:17.9133333+00:00
Siebenhaar, Daniel 0 Reputation points
edited the question 2026-10-02T09:10:05.6966667+00:00
Ana Mihaila (BLUEHAWK LLC) 0 Reputation points Microsoft External Staff Moderator
0 answers

how do I access windows defender

I am not able to access windows defender on my computer.

Microsoft Security | Microsoft Defender | Other
asked 2026-10-02T08:56:15.6066667+00:00
Richard Janes 0 Reputation points
commented 2026-10-02T08:57:48.01+00:00
Richard Janes 0 Reputation points
4 answers

My Windows Security notifies me each boot up that my Windows Defender is not running

Almost every boot-up windows notifies me that Windows Defender Antivirus is not running. But when I check, it is up and running. What is causing this false notification?

Microsoft Security | Microsoft Defender | Other
asked 2026-09-16T02:33:16.3733333+00:00
manofsteelprime2025 0 Reputation points
recommended 2026-10-02T08:27:49.1233333+00:00
Ana Mihaila (BLUEHAWK LLC) 0 Reputation points Microsoft External Staff Moderator
0 answers

The connection to the outgoing smtp server was dropped. say what?

How do I prevent Windows defender from blocking my email's smtp? I get this message: "The connection to the outgoing smtp server was dropped." Currently the smtp port is 467. I try to change to 587 but no joy. However if I disable Win…

Microsoft Security | Microsoft Defender | Other
asked 2026-10-02T00:54:41.6333333+00:00
Jon W 0 Reputation points
1 answer

my windows got hacked pls unhacked it pls

hacker change email can't use my account my main account is Xbox tag name is Xcat66 last email it be in ******@gmail.com

Microsoft Security | Microsoft Defender | Other
asked 2026-10-01T23:00:29.6166667+00:00
Mikhail Moskal 0 Reputation points
answered 2026-10-01T23:00:44.95+00:00

AI answer

0 answers

[Win10 Pro] Single-clicking ANY file on my Desktop triggers a "These files might be harmful" warning, and Defender blocks VSCode/scripts. Only happens on the Desktop; D drive is completely fine. Please help!

💻 1. System Environment OS: Windows 10 Pro 22H2 (OS Build 19045.6466) Account: Local Administrator account. NOT linked to a Microsoft account (No OneDrive sync/redirection). Security Software: Windows Defender only (No third-party AV). Affected Path:…

Microsoft Security | Microsoft Defender | Other
asked 2026-10-01T12:16:53.4566667+00:00
mar 0 Reputation points
0 answers

False Positive Block & Signup Issues: New domain qemera.com flagged by SmartScreen and blocked from account creation

Hello, I am writing to request an escalation and manual review for our company's new domain, qemera.com. We are currently encountering two severe issues tied to Microsoft's security/reputation filters: SmartScreen False Positive Block: Our website was…

Microsoft Security | Microsoft Defender | Other
asked 2026-09-26T15:11:45.24+00:00
Yisehaq Mussema 0 Reputation points
commented 2026-09-30T11:05:35.69+00:00
Yisehaq Mussema 0 Reputation points
1 answer

WDSI submission successful but no record in Submission history

Hi Microsoft Support Team, I successfully submitted a false positive file through the WDSI portal (microsoft.com/wdsi/filesubmission). The web page showed the submission was completed and returned a Submission ID, but the "Submission history"…

Microsoft Security | Microsoft Defender | Other
asked 2026-08-26T07:58:35.77+00:00
microbt MBT 0 Reputation points
edited the question 2026-09-30T09:17:03.18+00:00
Ana Mihaila (BLUEHAWK LLC) 0 Reputation points Microsoft External Staff Moderator
0 answers

Does CVE-2026-55944 (NAV 2018 deserialization RCE) affect NAV 2017?

CVE-2026-55944 (published July 14, 2026, severity 9.8 out of 10) is a security flaw affecting Microsoft Dynamics NAV 2018, allowing a remote attacker to take over a system without needing to log in first. We support a client running Dynamics NAV 2017 and…

Microsoft Security | Microsoft Defender | Other
asked 2026-09-29T22:52:55.87+00:00
Graham Sandham 0 Reputation points
2 answers

My accoutn was hacked and support is being useless

Ive done 6 recovery forms now, chat supported 4 times, called twice to no avail. They either tell me they closed it or they cant find it. i hav the hackers email they used as the main and i hav emails with order # and reciepts dating back to 2014. Im…

Microsoft Security | Microsoft Defender | Other
asked 2026-09-29T17:57:18.63+00:00
Devin Woodley 0 Reputation points
answered 2026-09-29T18:14:35.23+00:00
Devin Woodley 0 Reputation points
0 answers

False Positive Microsoft Defender SmartScreen Warning for Legitimate Azure Container Apps URL

We are experiencing an issue where Microsoft Defender SmartScreen is incorrectly flagging our Azure-hosted web application as unsafe. Affected URL: https://xyz.eastus.azurecontainerapps.io Issue Description: The application is hosted on Microsoft Azure…

Microsoft Security | Microsoft Defender | Other
asked 2026-09-29T10:24:27.8166667+00:00
Manjusha T R 0 Reputation points
edited the question 2026-09-29T10:25:16.2833333+00:00
Manjusha T R 0 Reputation points
1 answer

How To Remove A Downloaded Or Installed Trojan/s?

While using the installed M.D.A. in 2026,it didn't cope very well when a downloaded or installed trojan was in the computer and simply was no match for it,because it was trojan.What second line of defense can i add that guarantees the removal of the next…

Microsoft Security | Microsoft Defender | Other
asked 2026-09-29T03:41:03.6133333+00:00
maroner pierre 45 Reputation points
answered 2026-09-29T03:41:20.78+00:00

AI answer

1 answer

M.D.A. Was Not Detecting Dangerous Downloads?

My computer obtained dangerous downloaded downloads,that didn't cause any warnings from the installed M.D.A., to show up anywhere on the screen.How do i fix this issue?.Is it normal for an installed antivirus to miss the detection/s of a dangerous…

Microsoft Security | Microsoft Defender | Other
asked 2026-09-29T03:27:56.89+00:00
maroner pierre 45 Reputation points
answered 2026-09-29T03:28:13.8733333+00:00

AI answer

1 answer

About The Downloaded MDECloudProtectionDemo Test

I went to the Microsoft's Test Ground website, to find out whether or not my installed M.D.A. Is functional or not?,by downloading a test file like the one in the title above,as i should of ended up with a warning popup, as shown on the page,showing…

Microsoft Security | Microsoft Defender | Other
asked 2026-09-29T03:15:33.73+00:00
maroner pierre 45 Reputation points
answered 2026-09-29T03:15:51.22+00:00

AI answer

1 answer

Dangerous Downloaded And Or Installed Ones?

Can you please explain?,why there is no issues by fully downloading to installing to exploring dangerous downloads while using the M.D.A.,and normal for all to go through,and after using another free antivirus,it had major issues with the same dangerous…

Microsoft Security | Microsoft Defender | Other
asked 2026-09-29T03:02:31.9366667+00:00
maroner pierre 45 Reputation points
answered 2026-09-29T03:02:55.1766667+00:00

AI answer

1 answer

Free Antivirus Virus Definitions?

Does one free antivirus have more virus definitions in it's database, than another free antivirus?,or do all free antiviruses have the same amount?

Microsoft Security | Microsoft Defender | Other
asked 2026-09-29T02:57:02.2533333+00:00
maroner pierre 45 Reputation points
answered 2026-09-29T02:57:13.4633333+00:00

AI answer

1 answer

Windows Update issue

KB2267602 is the daily security intelligence and definition update for Microsoft Defender Antivirus.

Microsoft Security | Microsoft Defender | Other
asked 2026-09-29T00:42:52.78+00:00
Shalin Fernando 0 Reputation points
answered 2026-09-29T00:43:08.1266667+00:00

AI answer