Fix Microsoft Teams Error 80090016

Even when your profile is all good, you might see Microsoft Teams error code 80090016 with the following message – Your computer’s Trusted Platform Module has malfunctioned. Also, you will be stopped from joining Teams until the problem is fixed. This can be a big issue. Here’s a workaround you can use to fix the problem in no time.

Microsoft Teams Error 80090016

Microsoft Teams Error Code 80090016

The Microsoft Teams error 80090016 mainly occurs on the Teams Desktop app. The browser version of it works just fine. Also, it persists mostly with the educational account provided by an organization. You need to delete .AAD.BrokerPlugin_cw5n1h2txyewy entry as follows:

  1. Go to Windows Settings.
  2. Select Accounts.
  3. Scroll down to access Work or school tile.
  4. Choose an account to disconnect.
  5. Delete the folder with .AAD.BrokerPlugin_cw5n1h2txyewy entry.
  6. While trying to login again, select ‘No only want to login to this App’ button.
  7. Your problem should be fixed.

If deleting the folder with .AAD.BrokerPlugin_cw5n1h2txyewy entry does not help then you may need to:

  • Add a new pin
  • Clear the App Cache
  • Disable ADAL.

Let’s cover the process in a bit more detail!

Delete the folder with .AAD.BrokerPlugin_cw5n1h2txyewy entry

Click the Windows button and select Settings. Alternatively, you can press Win+I to go to the Settings directly.

Access Work School Account

Select Accounts heading from the side panel on the left. Move to the right, scroll down to the Work or school entry.

Disconnect Teams Account

Select an account under it and hit the Disconnect button to logout.

Now, move to the following path on your computer –

C:users<user>AppDataLocalPackagesMicrosoft.AAD.BrokerPlugin_cw5n1h2txyewy

Delete Teams Folder

When found, simply right-click the folder and choose the Delete option.

Once done, try to log in to your Teams account again. Here, make sure to hit the Link Text that reads as – No only want to login to this App. Allow Windows to initialize the Teams-Window and start the app.

Other alternatives, you can try

Add a new pin

In some cases, this method works pretty well. To get started, log in to your Windows computer using your administrator account.

Then, click the File Explorer icon located on the Taskbar to launch File Explorer. Navigate to the following path address –

C:WindowsServiceProfilesLocalServiceAppDataLocalMicrosoftNGC

Delete all the files from the NGC folder. Following this step, you’ll need to use your password to log in to Windows.

See- If you can’t delete certain files, right-click on the NGC folder and rename it.

Now, navigate to Windows Settings, choose Accounts from the side panel on the left and then, select Sign-in Option.

Hit the Add a PIN button and type in your new PIN.

Clear the App Cache

As we know, corrupted cache files can throw up many unforeseen errors related to an application. So, when you see the Microsoft Teams error 80090016, try clearing its cache first.

For this, close the Teams app.

Enter the following path address in the Windows search bar –  %appdata%Microsoftteams.

Then delete all the files from the following folders:

%appdata%Microsoftteamsapplication cachecache

%appdata%Microsoftteamsblob_storage

%appdata%MicrosoftteamsCache

%appdata%Microsoftteamsdatabases

%appdata%MicrosoftteamsGPUcache

%appdata%MicrosoftteamsIndexedDB

%appdata%MicrosoftteamsLocal Storage

%appdata%Microsoftteamstmp

When done, restart your computer, and launch Teams again.

Disable ADAL

ADAL or Microsoft Azure Active Directory Authentication Library is a tool in the . NET framework that allows client applications developers to authenticate users to an on-premises Active Directory deployment or to the cloud. Sometimes, turning off ADAL on the Trusted Platform Module may fix the Microsoft Teams error.

To try this method, close Teams and open the Registry Editor.

Navigate to the following path –

HKEY_CURRENT_USERSoftwareMicrosoftOffice16.0CommonIdentity.

Here, create a new DWORD key and name it EnableADAL.

Double-click on the EnableADAL key to set its value to 0 (zero).

Check if the problem persists. It should be fixed!

You should no more see the Microsoft Teams error 80090016. That’s all there is to it!

Related: Trusted Platform Module has malfunctioned error 80090030, 80090016 in Outlook.

Is Microsoft Teams better than Zoom?

Microsoft Teams is more suited for people who work in an organization. So, it’s an excellent tool for internal collaboration. On the other hand, Zoom is preferred for working externally – whether that’s with customers or guest vendors. On the security front, Microsoft Teams fares better than Zoom video-conferencing app.

Microsoft Teams Error 80090016

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Alice AUSTIN

Alice AUSTIN is studying Cisco Systems Engineering. He has passion with both hardware and software and writes articles and reviews for many IT websites.

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