Error code c02901df indicates the Microsoft Teams desktop app ran into an issue and crashed.
This error usually occurs on Windows 10 computers.
However, the Internet connection is not the problem.
Try this workaround and then reconnect your account.
Keep in mind this is only a temporary solution.
Unfortunately, the problem re-appears some time later.
tune up your OS
Other users got rid of this problem by upgrading their operating system.
Teams users said that updating their operating systems solved the connectivity error messages associated with error code c02901df.
