Situatie
During the installation of the Microsoft Teams application, various issues may occur, including the ‘Installation Has Failed’ error. This is usually caused by corrupted temporary files, missing administrator rights, or leftover files from previous installations.
- Run the installer as an administrator
- Copy the installation file to the folder c:\users\username and run as an administrator
- Delete Teams cache files %appdata%\microsoft- skip the steps if you don’t have Teams folder
4. Uninstall remains of teams and try installing it again
5. Use 7zip to extract and install Teams.


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