Corrupted Cache: When it has been some time to MS Teams installation, corrupted cache builds up in cache memory which ultimately causes Microsoft Teams to stop working. This corrupted build-up could be because of any third-party software, old application files, etc.
And concerned you and your colleagues cannot sign into this specific Teams Desktop Client on your computer, please try to uninstall and reinstall the Client to see if the issue disappears. Please use your Teams Account to sign into the teams web app and then download the Desktop App there.
How to fix Microsoft Teams not responding on Android devices?
Here are the steps for Android users. Open Settings and go to the app list or manage apps section and search for Teams. Tap on Clear data button at the bottom of the screen and select both options one at a time. We did that so that old data and cache doesn’t cause trouble while we perform a clean reinstall.
The problem here is most probably a corrupt cached password. It can happen due to any number of reasons, among which the primary is that you changed your Microsoft Teams password, while the desktop client still had your account logged in. Now, it won’t create a problem always, but sometimes it can lead to a corrupt file that’s causing the crash.
Uninstall the app from the Control Panel or use a third-party app. Press Windows key+E shortcut to open File Explorer and past this location in the address bar: In the window that pops up, you will find that you need to delete before restarting Teams again.
How do I download the desktop version of teams?
Please use your Teams Account to sign into the teams web app and then download the Desktop App there. ( Click the Get Desktop Appon the left corner of the web app).