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how do i stop defender smartscreen from blocking certain apps?

i recently started using microboost on my win11 laptop but every time i want to use it defender flags it as potentially malicious. Ik i can js go to more and then run anyway but that gets annoying after a while, so is there any way to turn off…

Microsoft Security | Microsoft Defender | Other
asked 2026-11-05T02:53:57.0333333+00:00
Aslan Ahmed 30 Reputation points
answered 2026-11-05T13:21:42.9866667+00:00
Marcin Policht 112.4K Reputation points MVP Volunteer Moderator
3 answers

How do I file a report to the Digital Crime Unit related to the identification of the Hacker behind the 2003 MSBLAST.A Virus ?

I am a professional cryptographer that recently heard about the existence of a reward offered for the person that identifies the Hacker(s) behind the 2003 MSBLAST.A Virus. After taking a look at the message that was included in the Hex File which read…

Microsoft Security | Microsoft Defender | Other
asked 2026-10-28T18:36:41.7766667+00:00
James Simpson 0 Reputation points
edited a comment 2026-11-04T21:56:49.7+00:00
James Simpson 0 Reputation points
1 answer

Trojan:MSIL/Heracles.ARA!MTB threat occurring after restarting/starting the PC

Trojan:MSIL/Heracles.ARA!MTB This threat always appears once I start/restart my pc and the item it effects is always the same (amsi: \Device\HarddiskVolume6\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe) and its status is always put as removed…

Microsoft Security | Microsoft Defender | Other
asked 2026-11-04T20:19:25.9533333+00:00
Malek Mado 0 Reputation points
edited the question 2026-11-04T20:24:59.48+00:00
Malek Mado 0 Reputation points
2 answers

Do I actually need Web Protection ?

I already have virus and Threat protection. However, I am wondering about web protection.

Microsoft Security | Microsoft Defender | Other
asked 2026-11-04T03:35:24.6166667+00:00
David Lee 0 Reputation points
answered 2026-11-04T04:26:48.3533333+00:00
Marcin Policht 112.4K Reputation points MVP Volunteer Moderator
0 answers

how to fix: amsi: \Device\HarddiskVolume4\WINDOWS\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe

I had this on my pc: amsi: \Device\HarddiskVolume4\WINDOWS\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe

Microsoft Security | Microsoft Defender | Other
asked 2026-11-03T22:17:30.4366667+00:00
rachid benyahya 0 Reputation points
0 answers

Can Non-User Affinity iOS devices be enrolled into Defender for iOS without reaching user device limit?

Hello, We have many non-user affinity, kiosk iOS devices in our Intune environment. They are enrolled properly and being managed today as supervised devices. We would now like to protect them using the Defender for iOS endpoint software, which has been…

Microsoft Security | Microsoft Defender | Other
asked 2026-11-03T16:16:09.74+00:00
Sean Rodeheaver 0 Reputation points
0 answers

About Opening Microsoft Antivirus Scan History Results?

I tried many times to try to open the Microsoft Defender's Scan History without success,it is not allowed or not permitted?.Without getting to see the scan end results?, simpy don't know what was detected and why?.I tried going into the Winevt folder and…

Microsoft Security | Microsoft Defender | Other
asked 2026-11-03T04:37:35.3366667+00:00
maroner pierre 80 Reputation points
edited the question 2026-11-03T06:12:08.7733333+00:00
_AW_ 70,241 Reputation points Volunteer Moderator
1 answer

how to proceed when Trojan:Win64/Malgent!MSR is Detected by Microsoft Defender Antivirus

Trojan:Win64/Malgent!MSR Detected by Microsoft Defender Antivirus how can this trojan be analyzed for payload and recovery?

Microsoft Security | Microsoft Defender | Other
asked 2026-11-02T12:11:28.9933333+00:00
Joel Andre 0 Reputation points
answered 2026-11-02T12:12:53.11+00:00

AI answer

1 answer

How to remove the trojan MSIL/BadJoke!MTB

How to remove the trojan MSIL/BadJoke!MTB Microsoft Defender failed to remove all of its components.

Microsoft Security | Microsoft Defender | Other
asked 2026-10-31T06:14:03.89+00:00
Dinocerous 0 Reputation points
answered 2026-10-31T06:15:12.64+00:00

AI answer

1 answer

Account hacked

Hello, I have got my acount hacked by blackfirsta.com. Please help me get it back i need it back my old gmail got deleted and got replaced by it i dont know how but can someone help me the account that was hacked was alexthefatfireball88gmail.com.

Microsoft Security | Microsoft Defender | Other
asked 2026-10-31T05:24:47.2633333+00:00
huge fat kid 99 fat kid's brother 89 0 Reputation points
answered 2026-10-31T05:25:29.2433333+00:00

AI answer

1 answer

Fixed Vulnerability still getting detected under Exposure Management

Hi, We have remediated several vulnerabilities and can confirm that the affected applications have been updated. However, the changes are not yet reflected in Microsoft Defender Exposure Management, and the applications still appear in the Defender…

Microsoft Security | Microsoft Defender | Other
asked 2026-10-29T22:11:46.59+00:00
JC 40 Reputation points
answered 2026-10-29T22:12:34.5566667+00:00

AI answer

1 answer

Issues having my program whitelisted from Microsoft Defender Smartscreen

Microsoft Defender Smartscreen has recently started flagging the most recent version of my company's software as unrecognized, saying it isn't commonly downloaded. I have looked into various ways to have our software whilelisted from this warning but I…

Microsoft Security | Microsoft Defender | Other
asked 2026-10-29T16:51:34.3333333+00:00
David Hranicky 0 Reputation points
answered 2026-10-29T16:51:57.4366667+00:00

AI answer

1 answer

Microsoft Defender Not Running and Unexpected Administrator Account

I am using Windows 11 Home Single Language, build 26200. An unexpected local administrator account named user123 appeared on my laptop. I have disabled this account, but I am concerned about my system's security. Microsoft Defender is not running, and I…

Microsoft Security | Microsoft Defender | Other
asked 2026-10-29T12:48:03.5066667+00:00
Anvi Sharma 0 Reputation points
answered 2026-10-29T12:50:34.36+00:00

AI answer

0 answers

Windows Security closing seconds after opening

I opened windows security today only for it to close immediately. It is not in the apps list, running sfc /scannow does nothing, I do not have anything that would interfere unless valorant would, installing it through powershell didn't work, and it's…

Microsoft Security | Microsoft Defender | Other
asked 2026-10-29T00:37:10.2366667+00:00
Mosstric 0 Reputation points
1 answer

Conflicting permissions for updating Identity Secure Score improvement actions

Hello Microsoft Documentation Team, I found a contradiction between two official Microsoft Learn articles: 1. Microsoft Entra — Least privileged roles by…

Microsoft Security | Microsoft Defender | Other
asked 2026-10-27T20:03:08.52+00:00
Roman King 26 Reputation points
commented 2026-10-28T15:26:17.3666667+00:00
Roman King 26 Reputation points
1 answer

Microsoft Defender showing with special looking characters

Why is Microsoft Defender is showing up in Task Manager with special characters spelling out Microsoft Defender? Μįċѓõśǿƒτ Ðĕƒėñđ℮ř Ðĕтéćтιǿπ απđ Ŕєśρóńśе Ѕёŕνīςе

Microsoft Security | Microsoft Defender | Other
asked 2026-10-21T13:04:22.55+00:00
de Fisser, Winifred 5 Reputation points
answered 2026-10-28T14:11:51.1233333+00:00
Said A 1,126 Reputation points
0 answers

Trojan:Win32/Commando.A!ml after several scans its keep on arising again and again

Trojan:Win32/Commando.A!ml after several scans its keep on arising again and again i done the offline scan still it appears again and again whenever i scan the system` below is the latest scan result i am sharing below. Unable to copy paste it so sending…

Microsoft Security | Microsoft Defender | Other
asked 2026-10-28T13:26:37.6533333+00:00
sanju rikku 0 Reputation points
0 answers

MSN Premium Antivirus Software Options

I subscribe to MSN Premium. Does that service still include my choice of McAfee or Webroot antivirus software at no extra charge, and if so, what is the easiest way for me to download one of those antivirus programs?

Microsoft Security | Microsoft Defender | Other
asked 2026-10-28T02:24:03.6566667+00:00
Lars Frisby 0 Reputation points
1 answer

I have a trojan virus ig.

Hello. For some reason I am keep getting a file blocked and its always comming back, I already did all the scan options but nothing worked yet. Can someone please help me?

Microsoft Security | Microsoft Defender | Other
asked 2026-10-27T20:11:13.5733333+00:00
Jonas 0 Reputation points
answered 2026-10-27T20:12:13.67+00:00

AI answer

1 answer

Microsoft defender

O Microsoft defender detecta uma ameaça e bloqueia ela e considera essa ameaça como grave, mas esta mesma ameaça surge novamente sem parar

Microsoft Security | Microsoft Defender | Other
asked 2026-10-26T16:02:16.3033333+00:00
Arthur 0 Reputation points
edited an answer 2026-10-27T19:44:42.2233333+00:00
Said A 1,126 Reputation points