86,444 questions with Microsoft Security-related tags

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Microsoft defender security locked my computer can't do anything

I received error message saying Microsoft defender security center found infected files. It locked my computer can't do anything. the pointer is gone I can't do anything. Q&A says to download a fix it but I can't click anything. I shut down my…

Microsoft Security | Microsoft Defender | Other
asked 2026-08-28T21:41:14.43+00:00
Slowride Pellechio 0 Reputation points
answered 2026-08-28T21:41:33.3+00:00

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0 answers

Azure Portal single tenant, personal account, MFA not working

I cannot access Azure Portal using my personal account due to the "Approve a request on my Microsoft Authenticator app" prompt not generating an MFA code, and the other option "Use a verification code" not accepting any of my MFA…

Microsoft Security | Microsoft Authenticator
asked 2026-08-28T21:12:54.1366667+00:00
tom phillips 0 Reputation points
edited the question 2026-08-28T21:13:27.32+00:00
tom phillips 0 Reputation points
1 answer

Microsoft defender security locked my computer can't do anything

I received error message saying Microsoft defender security center found infected files. It locked my computer can't do anything. the pointer is gone I can't do anything. Q&A says to download a fix it but I can't click anything. I shut down my…

Microsoft Security | Microsoft Defender | Other
asked 2026-08-28T21:09:17.49+00:00
Slowride Pellechio 0 Reputation points
answered 2026-08-28T21:09:33.6266667+00:00

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0 answers

Sign in is taking me in circles

How is it that I can sign in on my phone but then cannot do it on any other device Your security protocols are way too ridiculous and way too circular. Having to confirm something with itself makes no sense. Secondarily, I am trying to set up a new PC…

Microsoft Security | Microsoft Authenticator
asked 2026-08-28T21:03:48.64+00:00
Hans Weston 0 Reputation points
1 answer

Authenticator Circle of Hell

I was able to sign into my account using my password and a backup email address (I believe). BUT... I need my authenticator app to sign in to the security section of said account to resolve the issue of my account not linking properly to the…

Microsoft Security | Microsoft Authenticator
asked 2026-08-28T20:07:20.1766667+00:00
LTux 0 Reputation points
answered 2026-08-28T20:54:44.9166667+00:00
Nicholis Monacivas 0 Reputation points
1 answer

Microsoft defender security locked my computer can't do anything

I received error messageit said Microsoft defender security center found infected files. It locked my computer can't do anything. the pointer is gone I can't do anything. Q&A says to download a fix it but I can't click anything. I did the control alt…

Microsoft Security | Microsoft Defender | Other
asked 2026-08-28T20:45:47.7033333+00:00
Slowride Pellechio 0 Reputation points
answered 2026-08-28T20:46:05.53+00:00

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1 answer

Block Upload to Whatsapp web Using Microsoft Purview DLP Policy

I want to Block upload to whatsapp web, for which i follow below steps: I go to settings Data Loss Prevention->Endpoint DLP settings->Browser and domain restrictions to sensitive data->Service Domains…

Microsoft Security | Microsoft Purview
asked 2026-08-25T19:33:22.9533333+00:00
Sheraz Mehmood 0 Reputation points
edited a comment 2026-08-28T20:43:54.3566667+00:00
Sheraz Mehmood 0 Reputation points
1 answer

Microsoft defender security center found infected files. It locked my computer can't do anything

I received error message in pop-up window.. It said Microsoft defender security center found infected files. It locked my computer and I can't do anything. The pointer is gone and I can't do anything. the pointer is gone I can't do anything. Q&A says…

Microsoft Security | Microsoft Defender | Other
asked 2026-08-28T20:26:22.05+00:00
Slowride Pellechio 0 Reputation points
answered 2026-08-28T20:40:23.7466667+00:00
Madiha Dar 10 Reputation points
3 answers

Azure AIK enrollment fails 0x80190190 - Intel ODCA 2 CSME MTP PCH SVN 01 PTT CA missing from trust pool - blocking Call of Duty

Azure AIK enrollment fails with HTTP 400 / 0x80190190 ("No valid TPM EK/Platform certificate provided in the TPM identity request message") on Intel CSME MTP PTT platform, blocking TPM attestation for Call of Duty (RICOCHET Anti-Cheat, Season…

Microsoft Security | Intune | Enrollment
asked 2026-08-02T22:06:36.86+00:00
javier 0 Reputation points
answered 2026-08-28T20:12:58.08+00:00
Michiel Geleyns 0 Reputation points
1 answer

Trouble with Authenticator app

Having issues getting codes on Authenticator app. I need it to get into Availity

Microsoft Security | Microsoft Authenticator
asked 2026-08-28T20:03:07.19+00:00
Veronica Molinar 0 Reputation points
answered 2026-08-28T20:04:00.8533333+00:00

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1 answer

Purview MSIP Scanner - CPU Throttling Setting Not Working (ScannerMaxCPU)

Hello, We are experiencing consistently high CPU utilization from the Microsoft Purview Information Protection Scanner. The MSIP scanner and SQL DB are running on the same Windows Server 2022 Datacenter Edition To reduce CPU usage, we configured the…

Microsoft Security | Microsoft Purview
asked 2026-07-20T18:04:32.3533333+00:00
Nick Burke 0 Reputation points
commented 2026-08-28T18:52:19.19+00:00
Kowalewski, Julius 0 Reputation points
1 answer

Sole Global Admin Locked Out by MFA – Error 500121

Hello, I recently created a new Microsoft 365 Business Basic tenant for my company and I am the only Global Administrator. During the initial Microsoft Authenticator setup, something appears to have failed. My password is accepted, but every sign-in now…

Microsoft Security | Microsoft Authenticator
asked 2026-08-28T18:01:38.87+00:00
Enzo Louis Laparan 0 Reputation points
answered 2026-08-28T18:17:07.9+00:00
Bence Weiszmann 825 Reputation points
1 answer

Azure lockout when switching smartphones

I'm trying to access an existing Azure account from a PC when my smartphone has recently been upgraded. I've established a passkey, but there is a second Authenticator prompt that is not triggering an access interaction on my (new) smartphone. Only…

Microsoft Security | Microsoft Authenticator
asked 2026-08-27T09:41:09.0733333+00:00
John Larew 0 Reputation points
answered 2026-08-28T18:15:26+00:00
John L 0 Reputation points
3 answers

Want to switch my phone and shift authenticator app codes to new phone

Want to switch my phone and shift authenticator app codes to new phone. i cant find my login email through which i can login to a new phone

Microsoft Security | Microsoft Authenticator
asked 2026-08-28T17:16:19.3+00:00
aakash jain 0 Reputation points
answered 2026-08-28T17:58:42.0166667+00:00
Hal Hostetler MVP-Outlook 12,011 Reputation points MVP Volunteer Moderator
1 answer

iPad OS Microsoft Apps Freeze After Two-Step Authentification

Hi guys, we are having some issues logging into Microsoft apps on the shared workplace iPads. After logging in through our organizational account and successfully completing the two-step authentication (through DUO mobile), the app just freezes at the…

Microsoft Security | Intune | Microsoft Intune iOS
asked 2026-08-27T17:48:20.65+00:00
shayshayshay 0 Reputation points
commented 2026-08-28T17:40:25.9666667+00:00
shayshayshay 0 Reputation points
1 answer

Original tenant locked out – sole Global Administrator MFA failure

Original Tenant ID: Account: No other administrator exists. Please create a support case for the affected tenant and escalate it to Data Protection / Tenant Recovery.

Microsoft Security | Microsoft Authenticator
asked 2026-08-28T16:50:39.51+00:00
pedro mendes 0 Reputation points
commented 2026-08-28T17:19:04.1033333+00:00
Bence Weiszmann 825 Reputation points
0 answers

opt-out passkeys for September 1st

Having issues with opt-out of passkeys commands using powershell 7 .. cannot successfully run the Invoke-MgGraphRequest -Method PATCH -Uri "https://graph.microsoft.com/beta/policies/authenticationMethodsPolicy" -Body $body -ContentType…

Microsoft Security | Microsoft Graph
asked 2026-08-28T17:15:33.8866667+00:00
Thomas Wrobel 0 Reputation points
0 answers

My old Microsoft account has been hacked (password changed and 2FA added), any way to get it back?

Yesterday, someone accessed my old Microsoft account, changed the password and added 2FA. All of my attempts to access the account have failed since the recovery email goes to a known disposable email primarily used by hackers (the email ends with…

Microsoft Security | Microsoft Authenticator
asked 2026-08-28T17:11:21.1166667+00:00
John Kearsley 0 Reputation points
0 answers

unlink my School Microsoft account from my personal microsoft

My personal Microsoft account is still linked to my JCTC school tenant through an identity token created during Amazon student verification. I need a tenant unlink and identity purge.

Microsoft Security | Microsoft Identity Manager
asked 2026-08-28T16:51:51.84+00:00
Michael Thedford 0 Reputation points
0 answers

Authenticator

Please I have been having issues scanning with the authenticator app

Microsoft Security | Microsoft Entra | Other
asked 2026-08-28T14:02:32.24+00:00
Olayemi Kinrin 0 Reputation points
commented 2026-08-28T16:02:01.86+00:00
Bence Weiszmann 825 Reputation points