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How to fix Microsoft Teams error 80080300 in Windows 11

How to fix Microsoft Teams error 80080300 in Windows 11

Many users use Microsoft Teams, a free messaging app with Windows 11. However, some users are unable to use that app because of the Microsoft Teams error 80080300. The 80080300 error displays a message that says, “We’re sorry, we’ve encountered a problem. “


Consequently, users cannot sign in to MS Teams when the app displays that error. These users may still be able to sign in via web browsers, but the Windows app displays an 80080300 error code. Here’s how to fix Microsoft Teams error 80080300 in Windows 11.


1. Disconnect your Microsoft Work or School account

If you use a Microsoft work or school account, we recommend that you disconnect it on your PC. Doing so will eliminate one potential cause of error 0080300. You can disconnect a Microsoft work or school account you’re connected to via settings like this:

  1. Print Win + X to display the Power User menu and select Settings shortcut.
  2. Then choose Accounts tab on the left side of Settings.
    access-work-or-school navigation option
  3. Click Gain access to work or school to see the options for these accounts.
    Access work or school options in Settings
  4. Then click on your work or school account to access one Disconnect this account option.
  5. Print Disconnect button.
  6. Click Yes to confirm that you are safe.
  7. Try using the Microsoft Teams app with that account offline.

2. Run Teams in compatibility mode

Teams users have had some fun fixing the 80080300 error by choosing to run that app in compatibility mode. It’s a surprising potential solution considering Teams comes bundled with Windows 11, but users have confirmed that it works. So try running Microsoft Teams in compatibility mode as follows:

  1. Open the Explorer station navigator by pressing Windows the + key E.
  2. Record this directory:
     C:\Users\<user folder>AppData\Local\Microsoft\WindowsApps\MicrosoftTeams_8wekyb3d8bbwe 
  3. Right click on msteams.exe file and select Properties.
    properties option
  4. Select Compatibility in the msteams.exe Properties window.
  5. Click Run this program in compatibility mode to to activate the drop-down menu.
    The Run this program in compatibility mode for check box
  6. Select Windows 8 option in the drop-down menu.
  7. Click Apply to save the new compatibility setting.

Note that the WindowsApps folder that includes the pre-installed MS Teams app in Windows 11 is protected. So you need to unlock the WindowsApps folder to access msteams.exe as instructed above. Our guide to taking ownership of folders in Windows 10 and 11 tells you how users can unlock that directory in Windows 11.

3. Run the compatibility troubleshooter for Microsoft Teams

This potential solution to error 80080300 is similar to the previous solution and it is another one that has worked for some users. Running the compatibility troubleshooter for MS Teams can resolve app compatibility issues. This is how to run the troubleshooter in Windows 11.

  1. To open Compatibility tab in the msteams.exe Properties window as instructed in steps one through four of this guide’s second resolution.
  2. Print Run Compatibility Checker button on that tab.
  3. click on Try recommended settings option in the debugger.
    The Try Recommended Settings option
  4. Select Test the program option. Then try signing in to your account in the Teams app from there.
    test program button
  5. Click Next to bring up more options.
  6. Then choose Yes, save these settingsor No, try again depending on the test result. Choosing no will show more debugging options if necessary.
    The option Yes, save these settings

4. Clear the Microsoft Teams cache

Microsoft Teams, like other apps, has a cache folder for storing data. However, a corrupted MS Teams cache can cause the 80080300 error. You can clear the cache by resetting the app in the following steps:

  1. Open Settings to select it Apps the tab.
  2. click on Apps and features navigation option to access that uninstall tool.
  3. Next, click the menu button on the right side of the listed Microsoft Teams app.
  4. Select Advanced options to come to Reset button for MS Teams.
    The Advanced options menu option
  5. Click Resetand choose Reset again to clear the app’s cached data.
    Reset button for MS Teams
  6. There is also an extra Repair option available, which does not delete data. You can also try selecting that option if reset doesn’t help.

An alternative method is to delete the Teams cache folder in File Explorer. You can open that folder at the following path:

 %appdata%\Microsoft\Teams  

Print Windows + R key combination, enter the above path in the Run dialog and click OK to bring up the Teams folder. Pressing Ctrl+ ONE will select all the files in the Teams folder. Then click on Delete (trash can) button on the command line.

5. Delete generic credentials for teams

The Microsoft Teams 80080300 error can also occur due to corrupted stored credentials for that app. So deleting such credentials can be the 80080300 error solution you are looking for. This is how you can delete saved credentials for MS Teams:

  1. Print Windows and S keyboard keys simultaneously to access Type here to apply box.
  2. Then enter Credential Manager inside Windows 11’s general search box.
  3. Select Credential Manager to open the Control Panel applet.
  4. Click Windows credentials to see them.
    The Windows Credentials Control Panel applet
  5. Then delete all the MS Teams and Microsoft Office account credentials stored there. You can delete an ID by clicking on the down arrow and selecting Remove.
  6. Close the Credential Manager applet and click Reboot Start menu.
  7. After restarting, launch Microsoft Teams to see if error 80080300 is resolved.

6. Reinstall the Teams app

Some users may need new Microsoft Teams apps to resolve the 80080300 error. Reinstalling MS Teams will give you that. To uninstall and reinstall the Microsoft Teams app:

  1. First, you download the app and the file search tool.
  2. Type Microsoft Teams in the search tool.
  3. Select Uninstall option for Microsoft Teams in the search tool.
    The uninstall option for MS Teams
  4. Click Uninstall again to confirm the removal of the app.
  5. Open a web browser and bring up the Microsoft Teams download page on the MS Store.
  6. Select Get in the Store app on the Microsoft Teams page.
  7. Click Open the Microsoft Store to bring up that app.
    the installation option
  8. Then select MS Teams’ Install option.

Get chatting with Microsoft Teams again

The potential solutions in this guide are some of the most confirmed ways to fix the Microsoft Teams error 8008030 in Windows 11. The same solutions also apply to users who need to fix this problem in Windows 10. So one of these solutions is likely to get error 8008030 sorted for the Teams app on your PC. With MS Teams fixed, you can go back to chatting on that messaging app again.

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