Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Protection against phishing, malware, and other threats targeting email and collaboration tools in Microsoft 365
118 questions
118 questions with Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365 tags
1 answer
Could not delete application because "no Qt platform plugin could be initialized"
I would like to re-install MikTex because several files from the app have recently been quarantined, and I deleted them. I would like to re-install MikTex but cannot, with the message "Could not delete application because 'no Qt platform plugin…
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
asked 2025-12-15T18:30:04.6866667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(224.00000000000003, 69%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMU%3C/text%3E%3C/svg%3E)
Mike Ulrey
0
Reputation points
answered 2025-12-15T18:30:15.8733333+00:00
Q&A Assist
1 answer
Why cannot Windows Defender not update it's definitions?
We are soon moving a server off from Windows Server 2016, but in the meantime we cannot update definitions for Windows Defender. We are getting the error: "Virus and Spyware Definitions could not be updated. Check your internet or network connection…
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Protection against phishing, malware, and other threats targeting email and collaboration tools in Microsoft 365
118 questions
asked 2025-12-12T16:15:33.4333333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(44.800000000000004, 92%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDW%3C/text%3E%3C/svg%3E)
Don Waters
0
Reputation points
answered 2025-12-12T16:15:41.61+00:00
Q&A Assist
1 answer
non riesco ad installare defender dopo l'acquisto business
Salve ho acquistato defender business ma nelle app non mi fa scaricare
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Protection against phishing, malware, and other threats targeting email and collaboration tools in Microsoft 365
118 questions
asked 2025-12-12T10:18:55.59+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(0, 92%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERV%3C/text%3E%3C/svg%3E)
Romeo Vicinanza
0
Reputation points
answered 2025-12-12T10:20:06.4333333+00:00
Q&A Assist
1 answer
How to prevent scams in my junk mail folders every hour
Why is SCHMS.ORG being allowed to send countless junk mails every single hour? microsoft do your job and prevent these PLEASE
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Protection against phishing, malware, and other threats targeting email and collaboration tools in Microsoft 365
118 questions
asked 2025-12-11T20:33:44.9566667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(96, 5%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMR%3C/text%3E%3C/svg%3E)
MOHAMMED, Rasheed (AIREDALE NHS FOUNDATION TRUST)
0
Reputation points
answered 2025-12-11T20:33:53.99+00:00
Q&A Assist
2 answers
API results -- "Missing application roles. API required roles: Alert.Read.All,Alert.ReadWrite.All, application roles: Incident.Read.All,AdvancedHunting.Read.All."
I have reviewed just about every Microsoft document and tried to use Co-Pilot to resolve. I am able to get a token, using the scope=https://api.security.microsoft.com/.default. Just can't get passed this error ""Missing application roles. API…
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Protection against phishing, malware, and other threats targeting email and collaboration tools in Microsoft 365
118 questions
asked 2025-12-08T16:17:41.5033333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(265.6, 38%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESF%3C/text%3E%3C/svg%3E)
Steven Francesco
0
Reputation points
edited a comment 2025-12-10T15:50:48.5533333+00:00
Steven Francesco
0
Reputation points
1 answer
How to add custom docx to Attack simulation
When creating a Phishing Simulation with Maleware Attachment technique. A Attachment is created that says: "Select "Enable editing" to load the content if you can't see it below." How can i edit the docx in general? Or when selected a…
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Protection against phishing, malware, and other threats targeting email and collaboration tools in Microsoft 365
118 questions
asked 2025-12-09T10:13:54.3866667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(227.2, 98%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAD%3C/text%3E%3C/svg%3E)
Alex Domanegg
0
Reputation points
answered 2025-12-09T10:14:03.9266667+00:00
Q&A Assist
1 answer
how to stop being ddoss attack
lm being targeted by github users and bit labs and git lab s by over 4500 people attacking my account and iphone connection constantly all day everyday and every single time i try to get anything done online please help
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Protection against phishing, malware, and other threats targeting email and collaboration tools in Microsoft 365
118 questions
asked 2025-12-08T11:10:36.3066667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(160, 20%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EC0%3C/text%3E%3C/svg%3E)
ChristopherMcDonough-0673
20
Reputation points
commented 2025-12-08T11:12:02.59+00:00
ChristopherMcDonough-0673
20
Reputation points
1 answer
where do i find my security log
where can i see who has been trying to log into my microsoft account in the last 30 days
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Protection against phishing, malware, and other threats targeting email and collaboration tools in Microsoft 365
118 questions
asked 2025-12-04T21:04:13.56+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(3.2, 13%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERH%3C/text%3E%3C/svg%3E)
Richard Horning
0
Reputation points
answered 2025-12-04T21:05:20.4133333+00:00
Q&A Assist
1 answer
I have a flashing notification that says threat detected PC infected with Trojan type spyware access has been blocked
I have a flashing notification that says access has been blocked. Threat detected XXBC detected Microsoft Windows firewall alert PC infected with Trojan type spyware, and all it does is flash, even if I click on the continue button.
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Protection against phishing, malware, and other threats targeting email and collaboration tools in Microsoft 365
118 questions
asked 2025-12-01T19:36:56.1866667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(316.8, 5%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELS%3C/text%3E%3C/svg%3E)
leslie smith
0
Reputation points
answered 2025-12-01T19:37:10.64+00:00
Q&A Assist
2 answers
Getting a message that my computer has been infected with trojan:sLocker and i need to call 833-435-3606 immediately
Message says my access has been blocked and i should not attempt to close my computer
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Protection against phishing, malware, and other threats targeting email and collaboration tools in Microsoft 365
118 questions
asked 2025-12-01T18:38:56.35+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(195.2, 10%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELK%3C/text%3E%3C/svg%3E)
Linda Kaplan
5
Reputation points
answered 2025-12-01T18:40:48.8033333+00:00
Andy David - MVP
159.7K
Reputation points MVP
Volunteer Moderator
1 answer
How do I prevent Microsoft Defender from preventing nvidia to switch GPUs automatically? I currently have added the following exclusions and it still isn't working: C:\Program Files\NVIDIA Corporation & C:\Program Files (x86)\NVIDIA Corporation
When I first bought the computer it had a free trial of McAfee, which has since expired. During this trial period I was not having any issues with the GPU automatically switching. When the trial expired I used Microsoft Defender and the issue started. I…
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Protection against phishing, malware, and other threats targeting email and collaboration tools in Microsoft 365
118 questions
asked 2025-11-27T15:27:15.7833333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(204.8, 42%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJ%3C/text%3E%3C/svg%3E)
Joe
0
Reputation points
answered 2025-11-27T15:27:27.16+00:00
Q&A Assist
1 answer
Need to turn off macros blocking an excel sheet
Received an enrollment spreadsheet from BCBS for a business. When trying to open links on the document that opens other sections it is blocked by Macros. I following the instructions for Unblocking a single document but when I followed the path to :…
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Protection against phishing, malware, and other threats targeting email and collaboration tools in Microsoft 365
118 questions
asked 2025-11-25T17:33:30.5966667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(233.6, 4%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPJ%3C/text%3E%3C/svg%3E)
Paula Jameson
0
Reputation points
answered 2025-11-25T17:33:38.38+00:00
Q&A Assist
1 answer
Unblocking macros
I have attempted to unblock macros on Powerpoint by adding the site I downloaded it from as a trusted site, I've also gone into security settings and checked unblocked. Microsoft Security is still blocking macros. How can I fix this?
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Protection against phishing, malware, and other threats targeting email and collaboration tools in Microsoft 365
118 questions
asked 2025-11-25T14:59:40.3933333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(96, 28.999999999999996%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EG%3C/text%3E%3C/svg%3E)
GGMBC
0
Reputation points
answered 2025-11-25T14:59:46.8666667+00:00
Q&A Assist
1 answer
Microsoft Defender turns itself off all the time
I only have an Android phone and my Microsoft Defender constantly turns itself off , I went and bought a new phone and Sim thinking it was some kind of bot or virus but it still does it on the new phone.
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Protection against phishing, malware, and other threats targeting email and collaboration tools in Microsoft 365
118 questions
asked 2025-07-30T11:13:56.69+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(6.4, 62%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDB%3C/text%3E%3C/svg%3E)
Diana Blackwood
0
Reputation points
answered 2025-11-25T14:05:34.4633333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(300.8, 28.000000000000004%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECK%3C/text%3E%3C/svg%3E)
Catherine Kyalo
2,695
Reputation points Microsoft Employee
0 answers
Clarification on 'Period of Inactivity' in Microsoft's Malware Submission Form and its Implications
Regarding this form: https://www.microsoft.com/en-us/wdsi/filesubmission?persona=SoftwareDeveloper There's this question Should this file be removed from our database at a certain date? No — remove the file automatically after a period of inactivity …
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Protection against phishing, malware, and other threats targeting email and collaboration tools in Microsoft 365
118 questions
asked 2025-07-28T04:13:31.03+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(243.2, 0%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EM%3C/text%3E%3C/svg%3E)
Mark
0
Reputation points
commented 2025-11-25T14:00:54.0366667+00:00
Catherine Kyalo
2,695
Reputation points Microsoft Employee
1 answer
is there a virus cancel option on defender? when it starts, it makes other work impossible
is there a virus cancel option on defender? when it starts, it makes other work impossible. how about on/off? or scan when I choose? navigating to these settings should be easier; and of course, when defender is scanning take minutes to get to
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Protection against phishing, malware, and other threats targeting email and collaboration tools in Microsoft 365
118 questions
asked 2025-07-23T14:32:16.2966667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(51.2, 6%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGS%3C/text%3E%3C/svg%3E)
George Stratigakis
0
Reputation points
answered 2025-11-25T13:52:35.0533333+00:00
Catherine Kyalo
2,695
Reputation points Microsoft Employee
0 answers
Something went wrong. Please try again later. when trying to approve action
When I try to approve an action in Investigations, I get the error "Something went wrong. Please try again later." I've waited several days. I'm clicking on the 'Pending Actions" link.
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Protection against phishing, malware, and other threats targeting email and collaboration tools in Microsoft 365
118 questions
asked 2025-07-22T17:33:51.9633333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(115.19999999999999, 55.00000000000001%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ED%3C/text%3E%3C/svg%3E)
DARAdmin
0
Reputation points
commented 2025-11-25T13:46:21.6666667+00:00
Catherine Kyalo
2,695
Reputation points Microsoft Employee
0 answers
How do I block spoofed email from external sender
How do I block spoofed email. I continue to get emails to my user with their name as the sender. I have SPF, DKIM and DMARC set up. MS seems to be ignoring them.
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Protection against phishing, malware, and other threats targeting email and collaboration tools in Microsoft 365
118 questions
asked 2025-07-22T17:38:33.72+00:00
DARAdmin
0
Reputation points
commented 2025-11-24T23:52:20.6866667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(54.400000000000006, 90%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPM%3C/text%3E%3C/svg%3E)
Pauline Mbabu
1,785
Reputation points Microsoft Employee
0 answers
I recently have pop-ups showing up on my web pages, i guess theres malware, but the computer scans and says there arent any viruses. Whats the issue?
I believe there is malware on my computer because when i open up the internet, pop-ups show up in the bottom right corner. When i conduct a scan, the scanner says no virus found. Whats the solution?
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Protection against phishing, malware, and other threats targeting email and collaboration tools in Microsoft 365
118 questions
asked 2025-07-24T13:16:33.52+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(99.2, 28.999999999999996%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESW%3C/text%3E%3C/svg%3E)
Shepherds Watch LLC
0
Reputation points
commented 2025-11-24T23:41:23.8333333+00:00
Pauline Mbabu
1,785
Reputation points Microsoft Employee
2 answers
What is service.exe
Hey so security picked up something called service.exe and is protecting my onedrive so is it malware?
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
Protection against phishing, malware, and other threats targeting email and collaboration tools in Microsoft 365
118 questions
asked 2025-11-23T10:33:40.4033333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(115.19999999999999, 72%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EE%3C/text%3E%3C/svg%3E)
eren
0
Reputation points
answered 2025-11-23T10:35:11.9766667+00:00
Q&A Assist