How to Fix the Microsoft Teams Error 80080300 in Windows 11
Reading Time: 4 minutesCan’t get into meetings because of this Microsoft Teams error? Here’s how to fix it.
Many users utilize Microsoft Teams, a free messaging app with Windows 11. However, some users can’t use that app because of the Microsoft Teams error 80080300. The 80080300 error displays a message that says, ‘we’re sorry, we’ve run into an issue.’
Consequently, users can’t log in to MS Teams when the app throws up that error. Those users might still be able to log in via browsers, but the Windows app displays an 80080300 error code. Here is how you can fix Microsoft Teams error 80080300 in Windows 11.
1. Disconnect Your Microsoft Work or School Account
If you’re utilizing a Microsoft work or school account, we recommend you disconnect from it on your PC. Doing so will eliminate one potential cause of error 0080300. You can disconnect from a Microsoft work or school account you’re connected with via Settings like this:
- Press Win + X to view the Power User menu, and select the Settings shortcut.
- Then select the Accounts tab on the left side of Settings.
- Click Access work or school to view the options for those accounts.
- Next, click your listed work or school account to access a Disconnect this account option.
- Press the Disconnect button.
- Click Yes to confirm you’re sure.
- Try utilizing the Microsoft Teams app with that account disconnected.
2. Run Teams in Compatibility Mode
Teams users have had some joy fixing the 80080300 error by selecting to run that app in compatibility mode. That’s a surprising potential fix considering Teams comes bundled with Windows 11, but users have confirmed it works. So, try running Microsoft Teams in compatibility mode as follows:
- Open the Explorer drive navigator by pressing the Windows key + E.
- Bring up this directory:
C:\Users\<user folder>AppData\Local\Microsoft\WindowsApps\MicrosoftTeams_8wekyb3d8bbwe - Right-click the msteams.exe file and select Properties.
- Select Compatibility in the msteams.exe Properties window.
- Click Run this program in compatibility mode for to activate the drop-down menu.
- Select the Windows 8 option on the drop-down menu.
- 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’ll need to unlock the WindowsApps folder to access msteams.exe as instructed above. Our guide to taking ownership of folders in Windows 10 & 11 tells you how users can unlock that directory in Windows 11.
3. Run the Compatibility Troubleshooter for Microsoft Teams
This potential error 80080300 resolution is similar to the previous fix, and it’s another that has worked for some users. Running the compatibility troubleshooter for MS Teams can resolve app compatibility issues. This is how to run that troubleshooter in Windows 11.
- Open the Compatibility tab on the msteams.exe Properties window as instructed in steps one to four of this guide’s second resolution.
- Press the Run compatibility troubleshooter button on that tab.
- Click the Try recommended settings option in the troubleshooter.
- Select the Test the program option. Then try logging into your account within the Teams app from there.
- Click Next to bring up further options.
- Then select Yes, save these settings, or No, try again depending on the test outcome. Selecting No will bring up further troubleshooting options if needed.
4. Clear the Cache for Microsoft Teams
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 that cache by resetting the app in the following steps:
- Open Settings to select its Apps tab.
- Click the Apps & features navigation option to access that uninstaller tool.
- Next, click the menu button on the right side of the listed Microsoft Teams app.
- Select Advanced options to get to the Reset button for MS Teams.
- Click Reset, and select Reset again to clear the app’s cached data.
- There’s also an extra Repair option available, which doesn’t clear data. You can also try selecting that option if resetting 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
Press the Windows + R key combination, enter the above path into the Run dialogue, and click OK to bring up the Teams folder. Pressing Ctrl+ A will select all files within the Teams folder. Then click the Delete (trash can) button on the command bar.
5. Erase Generic Credentials for Teams
The Microsoft Teams 80080300 error can also occur because of corrupted saved credentials for that app. So, deleting such credentials could be the 80080300 error solution you’re looking for. Here’s how you can erase saved credentials for MS Teams:
- Press the Windows and S keyboard keys simultaneously to access the Type here to search box.
- Then enter Credential Manager inside Windows 11’s general search box.
- Select the Credential Manager to open up that Control Panel applet.
- Click Windows Credentials to view them.
- Next, delete all the MS Teams and Microsoft Office account credentials saved there. You can erase a credential by clicking its down arrow and selecting Remove.
- Close the Credential Manager applet, and click the Restart Start Menu option.
- Launch Microsoft Teams after restarting to see if error 80080300 is resolved.
6. Reinstall the Teams App
Some users might need fresh Microsoft Teams apps to resolve the 80080300 error. Reinstalling MS Teams will give you that. This is how you can uninstall and reinstall the Microsoft Teams app:
- First, bring up the app and file search tool.
- Type Microsoft Teams in the search utility.
- Select the Uninstall option for Microsoft Teams in the search tool.
- Click Uninstall again to confirm the app’s removal.
- Open a browser, and bring up the Microsoft Teams download page on MS Store.
- Select Get in Store app on the Microsoft Teams page.
- Click Open Microsoft Store to bring up that app.
- Then select MS Teams’ Install option.
Get Chatting on Microsoft Teams Again
The potential solutions in this guide are some of the most widely confirmed ways to fix the Microsoft Teams error 8008030 in Windows 11. The same resolutions also apply to users who need to fix that issue in Windows 10. So, one of those fixes will likely get error 8008030 sorted for the Teams app on your PC. With MS Teams fixed, you can get back to chatting on that messaging app again.