Many users use Microsoft Teams, a free messaging app included with Windows 11. However, some users cannot access that app due to Microsoft Teams error 80080300. The 80080300 error displays a message that says, “We’re sorry, we ran into an issue.
As a result, users cannot log in to MS Teams when the app throws that error. Those users may still be able to log in through a browser, but the Windows app displays error code 80080300. Here’s how you can fix Microsoft Teams error 80080300 in Windows 11.
1. Disconnect your Microsoft work or school account
If you are using a Microsoft work or school account, we recommend that you disconnect it on your PC. Doing so will eliminate one possible cause of error 0080300. You can disconnect from Microsoft work or school account through such settings.
2. Run Teams in Compatibility Mode
Team users have had some joy in fixing error 80080300 by choosing to run that app in compatibility mode. It’s a surprising potential improvement considering Teams is bundled with Windows 11, but users have confirmed it. Therefore, try running Microsoft Teams in compatibility mode as follows.
Note that the WindowsApps folder that contains the pre-installed MS Teams app in Windows 11 is protected. Therefore, you will need to unlock the WindowsApps folder to access msteams.exe as instructed above. Our guide to taking ownership of a folder 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 possible error 80080300 resolution is similar to the previous fix, and it’s another one that has worked for some users. Running the Compatibility Troubleshooter for MS Teams can resolve app compatibility issues. How to run that troubleshooter in Windows 11.
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 error 80080300. You can clear that cache by resetting the app in the following steps.
Press the Windows + R key combination, enter the above path in the Run dialog, and click OK to bring up the Teams folder. Pressing Ctrl+A will select all files within the Teams folder. Then click on the Delete (Trash Can) button on the command bar.
5. Delete Common Credentials for Teams
Microsoft Teams error 80080300 can also be caused by corrupted saved credentials for that app. Therefore, deleting such credentials may be the 80080300 error solution you are looking for. Here’s how you can delete saved credentials for MS Teams.
6. Reinstall the Teams App
Some users may need the new Microsoft Teams apps to resolve error 80080300. Reinstalling MS Teams will give you that. In this way you can uninstall and reinstall Microsoft Teams app.
Get chatting again on Microsoft Teams
The potential solutions in this guide are some of the most widely confirmed ways to fix Microsoft Teams error 8008030 in Windows 11. The same resolutions also apply to users who need to fix that problem in Windows 10. So, one of those fixes will likely be to get error 8008030 sorted out for the Teams app on your PC. With MS Teams, you can start chatting on that messaging app again.